Hakham Yaakov Hacohen (Maslaton) Tarab, son of Yoseph, was born in Damascus, Syria. His wife was named Rosa.
Hakham Yaakov Hacohen Tarab became renowned for his devotion to Torah, and was proficient in its explicit and concealed aspects as well as in Halakhic and Aggadic literature. His custom was to rise at midnight to study in Hakham Haim Vital's study house.
Hakham Yaakov Hacohen Tarab officiated as Av Bet Din in Beirut and was known for the sermons he gave on Sabbaths and Festivals.
Hakham Yaakov Hacohen Tarab passed away 22 Tevet, 5682 (1923). He authored the following books: Dvar Tov, Beit Ya'akov – sermons on diverse topics and, following his decease, his descendants published additional manuscripts of his in She'erit Yaakov – sermons and innovations on Maimonides.