Turkish Law in EnglishTÜRKİYE
Turkish Civil Code (Law No. 4721)

Article 145: I. Grounds

Book Two: FAMILY LAW › Part One: LAW OF MARRIAGE › Chapter One: MARRIAGE › Division Four: VOID MARRIAGES A. Absolute nullity

A marriage is void by absolute nullity in the following cases:

1. Where one of the spouses was already married at the time of the marriage,

2. Where one of the spouses lacked the capacity of discernment for a permanent cause at the time of the marriage,

3. Where one of the spouses suffers from a mental illness of a degree constituting an impediment to marriage,

4. Where there exists between the spouses kinship of a degree constituting an impediment to marriage.

Original Turkish text

MADDE 145 · I. Sebepleri

Aşağıdaki hâllerde evlenme mutlak butlanla batıldır:

1. Eşlerden birinin evlenme sırasında evli bulunması,

2. Eşlerden birinin evlenme sırasında sürekli bir sebeple ayırt etme gücünden yoksun bulunması,

3. Eşlerden birinde evlenmeye engel olacak derecede akıl hastalığı bulunması,

4. Eşler arasında evlenmeye engel olacak derecede hısımlığın bulunması.

Text as of 1 October 2026 · Official source (Turkish): mevzuat.gov.tr ↗

Unofficial translation for information only. The Turkish text published in the Official Gazette is the only authoritative version. This page is not legal advice.