a jurist, better known as Ibn al-Maʾmūnī.
He studied under ʿAbd al-Raḥīm ibn al-ʿAjūz, Abū ʿAbd Allāh ibn al-Shaykh, and Abū Muḥammad al-Bājī. He made the pilgrimage, and while in Egypt he attended the lessons of the ḥāfiẓ ʿAbd al-Ghanī and ʿAbd al-Wahhāb ibn Munīr.
He later occupied the teaching chair in Almería (1) for Qurʾān recitation and jurisprudence.
Among those who transmitted from him were Abū al-Muṭarrif al-Shaʿbī, Abū Bakr ibn Ṣāḥib al-Aḥbās the judge, Ghānim al-Māliqī, and his own son Ḥajjāj.
He passed away in 448 AH.

His son:

4 – Ḥajjāj ibn al-Qāsim ibn Muḥammad ibn Hishām al-Ruʿaynī*
The ḥāfiẓ, traditionist, Abū Muḥammad.
He heard hadith from Abū Dharr al-Harawī and Abū Bakr al-Muṭṭawʿī (2), and he narrated the entire Ṣaḥīḥ of al-Bukhārī.
He was regarded as the leading scholar of Almería before relocating to Sabtah.
Those who narrated from him include the judge Abū Muḥammad ibn Manṣūr, Abū ʿAlī ibn Ṭarīf, and Abū al-Qāsim ibn al-ʿAjūz.