The Ibn Sughmārs were a prominent Maghrebi family of merchants and scholars whose activities from the 1040s to the 1090s are attested by several letters preserved in the Cairo Geniza. The members of the family whose existence is known from this source (each attested with the patronym Ibn/Ben Sughmār) are listed below. Note that the family name is rendered here per the plene spelling with vav, rather than “Sighmār,” as rendered by Goitein and an earlier generation of scholars.
(Abū Zikrī) Judah (Yaḥyā) ben Moses, the most frequently mentioned member of the family, was a merchant based in Qayr…