Abū al-ʿĀṣ, Ibn al-Rabīʿ b. ʿAbd al-ʿUzzā b. ʿAbd al-Shams (d. Dhū al-Ḥijja 12/February 634) was the Prophet's son-in-law and Khadīja's nephew (her sister's son). There is some confusion about his name in the sources. Some refer to him as Qāsim or Muqassim (Ibn Qutayba, 141), while others call him Hashīm or Muhsham (Muhashsham). However, most refer to him as Laqīṭ (al-Balādhurī, 1/397; Ibn al-Athīr, 5/237; Ibn Ḥajar, 4/121).

Before the Prophet's mission (baʿtha), Abū al-ʿĀṣ married his cousin Zaynab, the Prophet's eldest daughter. But after this, when Khadīja and her…