Volume II: Law, Policy, and Ecological Justice

Establishing Nasab Beyond the Grave: The Legitimacy of Lineage and Inheritance for Cryopreserved Embryos Under Islamic Family Law

  • Wahyudi UIN Sunan Gunung Djati Bandung, Indonesia
  • Aden Rosadi UIN Sunan Gunung Djati Bandung, Indonesia
  • Usep Saepulah UIN Sunan Gunung Djati Bandung, Indonesia
  • Utang Rosidin UIN Sunan Gunung Djati Bandung, Indonesia

Keywords

nasab; frozen embryo; cryopreservation; Islamic inheritance; posthumous reproduction.

Abstract

The advancement of assisted reproductive technology, particularly embryo cryopreservation, poses unprecedented challenges to the classical Islamic legal framework governing lineage (nasab) and inheritance (mīrāth). Traditional fiqh establishes nasab through a valid marriage contract and confirmed pregnancy within legally recognised temporal parameters. However, the possibility of implanting a frozen embryo years after the husband's death fundamentally disrupts the biological and temporal assumptions embedded in classical jurisprudence. This article critically examines whether a cryopreserved embryo, conceived in vitro during the husband's lifetime but implanted posthumously, can legitimately establish nasab to the deceased father and, consequently, claim inheritance rights under farāʾiḍ. Employing a doctrinal analytical methodology with comparative ijtihād across the four Sunnī schools and contemporary fatwa institutions, this study argues that the existing fiqh framework requires significant reinterpretation. The article proposes a nasab based typology distinguishing between pre-implantation and post-implantation legal status, and offers a reconceptualised model harmonising ḥifẓ al-nasl, the rights of the unborn, and distributive justice in Islamic inheritance law.

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