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Which marriages let a spouse inherit

A valid nikah is one of the three causes of inheritance the four imams agree on, and all four schools agree the contract is formed by offer and acceptance — though they differ over the wali and the witnesses. On the two questions that actually decide estates the split is three-to-one, and it runs opposite ways. The Hanafi, Shafi’i and Hanbali schools hold that an irregular (<i>fasid</i>) marriage creates no inheritance at all, and that a marriage contracted in a death-illness is perfectly valid and does let the new spouse inherit. The Maliki school reverses both.

This is legal information only. For advice on your own circumstances, speak to a lawyer.

Where the four schools differ

This question turns on one issue in our madhhab register: Which marriages let a spouse inherit — which marriages create a right to inherit as a spouse, and does a marriage contracted in a final illness count?

Position of each Sunni school on which marriages create a right to inherit as a spouse, and does a marriage contracted in a final illness count?
SchoolPosition
HanafiShafi’iHanbali

An irregular marriage gives nothing; a death-bed marriage gives everything. Where the contract itself was defective, there is no mutual inheritance at all — the Kuwaiti Mawsu’a states the rule and attributes it by name: “if the contract was irregular there is no mutual inheritance, even if they went on living as husband and wife until death — and this is the school of the imams Abu Hanifa, al-Shafi’i and Ahmad”. Ibn Qudama gives the reason for the Hanbalis in one line: an irregular marriage “is not a marriage in law”. But a marriage contracted by a person in a final illness is valid, and the new spouse inherits like any other: the same encyclopaedia records the majority — naming the Hanafis, the Shafi’is and the Hanbalis — holding that a sick man may marry whatever the law allows him, and that “once the validity of the marriage is established, so is the validity of the dower and the entitlement of each spouse to inherit from the other”. Ibn Qudama applies it to money: the sick man’s marriage is sound, his dower is a debt, and it ranks with his other debts. One Hanbali qualification is recorded: Ibn Muflih withholds the inheritance where the man married in his illness deliberately to cut down another heir’s share and the new wife admits that was the purpose.

Sources: al-Mawsu’a al-Fiqhiyya al-Kuwaytiyya, entry “Irth” sec. 38 (vol. 3 p. 37) — the two conditions of inheriting as a spouse. First: “an takuna al-zawjiyyatu sahiha .. fa-in kana al-‘aqdu fasidan fa-la tawaruth wa-law istamarrat al-‘ishratu bi-muqtadahu ila al-wafat, wa-hadha madhhabu al-a’immati Abi Hanifata wa’l-Shafi’iyyi wa-Ahmad”, followed by Malik’s contrary rule turning on whether the ground of invalidity is agreed or disputed (the example given is a marriage with no wali for an adult woman of sound mind). Second: that the marriage subsist at death in fact or in law — the latter covering a wife in the ‘idda of a revocable divorce (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 23 (vol. 41 p. 351) — nikah al-marid: “fa-dhahaba jumhuru al-fuqaha’i wa-hum al-Hanafiyyatu wa’l-Shafi’iyyatu wa’l-Hanabilatu … ila annahu yajuzu li’l-maridi an yankiha jami’a ma ahalla Allahu ta’ala lahu”, on Surah an-Nisa 4:3 and the athar of ‘Abdullah b. Abi Rabi’a who married in his illness so that his new wife would share his other wives’ inheritance (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 23 cont. (vol. 41 p. 351) — the consequence the jumhur draw: “qala al-jumhur: wa-idha thabata sihhatu al-nikahi thabata ka-dhalika sihhatu al-sadaqi wa’stihqaqu kullin min al-zawjayni irtha al-akhar”; Ibn Muflih of the Hanbalis excepts a marriage contracted to injure another heir where the wife admits it; no difference whether it is the man or the woman who is ill (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Marad al-Mawt” sec. 21 (vol. 37 p. 22) — “dhahaba al-Hanafiyyatu wa’l-Shafi’iyyatu wa’l-Hanabilatu ila anna hukma al-zawaji fi hali maradi al-mawti wa’l-sihhati sawa’, min haythu sihhatu al-‘aqdi wa-tawrithu kulli wahidin min al-zawjayni sahibah”, citing Bada’i’ al-Sana’i’ 7/225 and al-Zayla’i (Hanafi), al-Umm 4/31 (Shafi’i), al-Mughni and al-Sharh al-Kabir (Hanbali). Sec. 22 (p. 22): a divorce in death-illness takes effect by agreement, but “ikhtalafu fi thubuti al-tawaruthi baynahuma ba’dah” (Ministry of Awqaf and Islamic Affairs, Kuwait) · Ibn Qudama, al-Mughni, Kitab al-Fara’id, mas’ala 4977 (vol. 6 p. 393) — “fa-amma al-nikahu al-fasidu, fa-la yathbutu bihi al-tawaruthu bayna al-zawjayn; li-annahu laysa bi-nikahin shar’iyy” (Ibn Qudama al-Maqdisi (d. 620 AH)) · Ibn Qudama, al-Mughni, mas’ala 5660 (vol. 7 p. 273) — “wa’l-sadaqu idha kana fi’l-dhimmati, fa-huwa dayn, idha mata man huwa ‘alayhi wa-‘alayhi daynun siwahu, qussima maluhu baynahum bi’l-hisas”; Ahmad on a sick man who marries in his illness owing debts and dies: what he left is divided between the creditors and the wife rateably, “wa-dhalika li-anna nikaha al-maridi sahih, wa’l-sadaqa dayn, fa-tasawa sa’ira al-duyun” (Ibn Qudama al-Maqdisi (d. 620 AH)) — each school separately attested at the page cited.

Maliki

The opposite on both. On the irregular marriage the Malikis ask why it is irregular. If the defect is one all the schools agree on — a fifth wife while four subsist, a woman forbidden by fosterage — there is no inheritance either way, before or after the separation. But if the ground is one the schools dispute, and the Mawsu’a’s own example is a marriage contracted without a wali by an adult woman of sound mind, then a death before the marriage is annulled does carry inheritance, “because the marriage subsists on the view of those who hold it valid”. That sits on a general Maliki maxim the encyclopaedia states elsewhere: any marriage whose validity is genuinely disputed “is like a valid marriage as to prohibition and inheritance, and is dissolved by a divorce”. On the death-illness marriage the Malikis go the other way. Al-Dasuqi records the Maliki jurists as agreed that two people both in a feared final illness may not marry, and on the mashhur the bar applies where either of them is — “even if the heirs consent, or the sick person needs it, because of the prohibition on introducing an heir”. Such a marriage is annulled. If the sick husband dies first, the wife does not take an inheritance share; she takes, out of the one third, the lesser of the dower named and the dower of her equals.

Sources: al-Mawsu’a al-Fiqhiyya al-Kuwaytiyya, entry “Irth” sec. 38 (vol. 3 p. 37) — the two conditions of inheriting as a spouse. First: “an takuna al-zawjiyyatu sahiha .. fa-in kana al-‘aqdu fasidan fa-la tawaruth wa-law istamarrat al-‘ishratu bi-muqtadahu ila al-wafat, wa-hadha madhhabu al-a’immati Abi Hanifata wa’l-Shafi’iyyi wa-Ahmad”, followed by Malik’s contrary rule turning on whether the ground of invalidity is agreed or disputed (the example given is a marriage with no wali for an adult woman of sound mind). Second: that the marriage subsist at death in fact or in law — the latter covering a wife in the ‘idda of a revocable divorce (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 23 cont. (vol. 41 p. 352) — the Maliki position: al-Dasuqi records that the Maliki jurists agree in forbidding the marriage where both parties are in a feared illness, and that on the mashhur it is forbidden where one is, “wa-in adhina al-warathatu awi’htaja al-maridu ilayhi li’l-nahyi ‘an idkhalihi warithan”; the marriage is annulled before or after consummation, and if the sick husband dies before the annulment the wife takes, out of the third of his estate, the lesser of the named mahr and the mahr al-mithl (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 23 end (vol. 41 p. 352) — if the sick party recovers, or a judge rules the marriage valid, the couple are left as they are; and Ibn Qudama is quoted for al-Zuhri and Yahya b. Sa’id, that where either party was in a feared illness at the contract “fa’l-nikahu fasidun la yatawarathani bihi”. Sources: al-Mudawwana 2/246-247, al-Sharh al-Saghir, Mawahib al-Jalil, al-Dasuqi 2/240, 276 (Ministry of Awqaf and Islamic Affairs, Kuwait) · al-Mawsu’a al-Fiqhiyya, entry “Nikah” (vol. 41 p. 328) — the Maliki general rule, stated while working out nikah al-shighar: “kullu nikahin mukhtalafun fihi, wa-law kana hadha al-khilafu kharija al-madhhab, wa-law fi madhhabin inqarada idha kana qawiyyan fa-huwa ka’l-nikahi al-sahihi fi’l-tahrimi wa’l-irth, wa-faskhuhu bi-talaq” — so inheritance arises if one of them dies before the annulment, “amma idha mata ahaduhuma ba’da al-faskhi fa-la irth” (Ministry of Awqaf and Islamic Affairs, Kuwait) — Maliki rule and the maxim it rests on.

Researched positions from our madhhab register — issue nikah-validity-inheritance, reviewed 2026-09-01.

The formation conditions that decide the question

What has to be true of the marriage itself. All four schools form the contract by offer and acceptance — the Kuwaiti Mawsu’a, entry Nikah §46, records that as agreed. They part company on the rest. On the wali (§66): the Maliki and Shafi’i schools make him a pillar of the contract, so that there is no valid marriage without one; the Hanbali school makes him a condition of validity, al-Mardawi calling that “the school, and the companions are upon it”; the Hanafi school treats guardianship over an adult woman of sound mind as a matter of recommendation, so she may contract for herself. On witnesses (§116): the Hanafi, Shafi’i and Hanbali schools require two, the Shafi’is as a pillar and the other two as a condition; the Maliki school makes witnessing at the contract recommended but requires it at consummation, and refuses to uphold a marriage the parties meant to keep secret. On the mahr (entry Mahr §3): it is owed in every marriage, but naming it in the contract is not a condition of validity — the encyclopaedia says that is so “by the agreement of the jurists”, and cites a work of each school for it. These matter here because they are what decides whether a given marriage is sahih or fasid — and, on the Maliki rule above, a defect the schools argue about is not the same as one they all accept.

Full positions, evidence and history: Which marriages let a spouse inherit — the issue page.

Which row is yours? Most families follow the school of their region of origin — the four madhahib page maps them. The comparison is here so you can see your school’s position, not so you can pick the convenient answer — assembling a plan from several schools at once (talfiq) can produce a distribution no school would accept. If your estate turns on this point, put it to a scholar of your school.

Questions that turn on this

Every answer below renders its madhhab position from this one entry, so the positions cannot drift apart between pages.

Citations & sources

Every factual claim on this page traces to a source below. Details change — check the original source before relying on any figure, fee or legal position.

Islamic primary sources
  1. Surah an-Nisa 4:12 — shares of spouses and uterine siblings — Quran.com
Classical fiqh works
  1. al-Mawsu’a al-Fiqhiyya al-Kuwaytiyya, entry “Irth” sec. 14 (vol. 3 p. 22) — the causes of inheritance: “asbab al-irthi arba’a, thalathatun muttafaqun ‘alayha bayna al-a’immati al-arba’a … al-nikahu, wa’l-wala’u, wa’l-qaraba” — marriage is one of the three causes agreed on by the four imams — Ministry of Awqaf and Islamic Affairs, Kuwait
  2. al-Mawsu’a al-Fiqhiyya al-Kuwaytiyya, entry “Irth” sec. 38 (vol. 3 p. 37) — the two conditions of inheriting as a spouse. First: “an takuna al-zawjiyyatu sahiha .. fa-in kana al-‘aqdu fasidan fa-la tawaruth wa-law istamarrat al-‘ishratu bi-muqtadahu ila al-wafat, wa-hadha madhhabu al-a’immati Abi Hanifata wa’l-Shafi’iyyi wa-Ahmad”, followed by Malik’s contrary rule turning on whether the ground of invalidity is agreed or disputed (the example given is a marriage with no wali for an adult woman of sound mind). Second: that the marriage subsist at death in fact or in law — the latter covering a wife in the ‘idda of a revocable divorce — Ministry of Awqaf and Islamic Affairs, Kuwait
  3. al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 139 (vol. 41 p. 312) — among the rights shared by the spouses under a VALID marriage is al-tawaruth, “fa-yarithu al-zawju zawjatahu kama tarithu al-zawjatu zawjaha mata tawaffarat al-shurut”, on Surah an-Nisa 4:12 — Ministry of Awqaf and Islamic Affairs, Kuwait
  4. al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 45 (vol. 41 p. 233) — the arkan of the marriage contract, school by school: for the Hanafis offer and acceptance alone; for the Malikis a wali, the two parties and the form of words; for the Shafi’is five — form, husband, wife, two witnesses and a wali; for the Hanbalis three — the two spouses, the offer and the acceptance. Sec. 46: “ittafaqa al-fuqaha’u ‘ala anna al-nikaha yan‘aqidu bi’l-ijabi wa’l-qabul” — Ministry of Awqaf and Islamic Affairs, Kuwait
  5. al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 66 (vol. 41 p. 247) — the wali: “fa-qala al-Malikiyyatu wa’l-Shafi’iyya: al-waliyyu ruknun min arkani ‘aqdi al-nikah, fa-la yasihhu al-nikahu bi-duni waliyyin bi-shurutih”; and (vol. 41 p. 248) for the Hanafis wilaya is a condition of jawaz and nafadh, the wilaya over an adult woman of sound mind being one of nadb and istihbab — Ministry of Awqaf and Islamic Affairs, Kuwait
  6. al-Mawsu’a al-Fiqhiyya, entry “Nikah” (vol. 41 p. 250) — “wa-qala al-Hanabila: al-waliyyu shartun fi sihhati al-nikah, fa-la yasihhu nikahun illa bi-waliyy”, al-Mardawi: “hadha al-madhhabu wa-‘alayhi al-ashab”; with a report from Ahmad that the wali is not a condition, which Ibn Qudama and others confine to the case of no wali and no ruler being available — Ministry of Awqaf and Islamic Affairs, Kuwait
  7. al-Mawsu’a al-Fiqhiyya, entry “Nikah” sec. 116 (vol. 41 p. 295) — witnesses: “fa-qala jumhuru al-fuqaha’i — al-Hanafiyyatu wa’l-Shafi’iyyatu wa’l-Hanabilatu fi’l-madhhab —: la yasihhu al-nikahu illa bi-hadrati shahidayn”; the Hanafis and Hanbalis treat this as a shart, the Shafi’is as a rukn, and one riwaya from Ahmad drops it — Ministry of Awqaf and Islamic Affairs, Kuwait
  8. al-Mawsu’a al-Fiqhiyya, entry “Ishhad” sec. 38 (vol. 5 p. 46) — the Maliki position on witnesses: “wa-‘inda al-Malikiyyati al-ishhadu ‘ala al-‘aqdi mustahabb, lakin yushtaratu al-ishhadu ‘inda al-dukhul”, and a marriage the parties intended to keep secret is not upheld — Ministry of Awqaf and Islamic Affairs, Kuwait
  9. al-Mawsu’a al-Fiqhiyya, entry “Mahr” sec. 3 (vol. 39 p. 151) — “al-mahru wajibun fi kulli nikah” on Surah an-Nisa 4:24, “illa anna dhikra al-mahri fi’l-‘aqdi laysa shartan li-sihhati al-nikahi fa-yajuzu ikhla’u al-nikahi ‘an tasmiyatihi bi’ttifaqi al-fuqaha’” — naming al-Hidaya (Hanafi), al-Sawi on al-Sharh al-Saghir (Maliki), Mughni al-Muhtaj and Rawdat al-Talibin (Shafi’i), al-Mughni and Matalib Uli al-Nuha (Hanbali) — Ministry of Awqaf and Islamic Affairs, Kuwait
Scholarly & institutional references
  1. al-Mawsu'a al-Fiqhiyya al-Kuwaitiyya — the Kuwaiti encyclopaedia of fiqh — Ministry of Awqaf and Islamic Affairs, Kuwait