He was reputed to be a direct descendant of the Hebrew exilarchs of ancient Babylonia (Iraq) that claimed direct descent from the Biblical King David[1] and was the eponymous progenitor of the Ibn Yahya family.
[2] Ben Rabbi resided in Lisbon and was respected by Sephardic Jews as well as by King Afonso I of Portugal, who knighted him for his courage by awarding him the title, "Lord of the Aldeia dos Negros" (English: Village of the Negroes), and presented him with an estate that had belonged to the Moors.
Ben Rabbi was the son of Yaish Ibn Yahya (born between 1120 and 1130,[3] died 1196) and grandson of Hiyya al-Daudi (born between 1080 and 1090,[3] died 1154), who was a prominent rabbi, composer, and poet and served as advisor to Afonso II of Portugal.
He is also said to be the son of Châmoa Gomes de Pombeiro,[4][5] though there is little evidence to support this.
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