Shemariah ben Mordecai

German rabbi and Tosafist

Shemariah ben Mordecai was a prominent German rabbi and Tosafist who lived during the first half of the 12th century. As a student of the renowned Tosafist Isaac ben Asher, he developed a deep understanding of Jewish law and tradition. His expertise in religious rites earned him great respect, and he was sought out for his authoritative opinions on matters of Jewish practice.

Shemariah ben Mordecai's reputation as a leading scholar is further underscored by the fact that notable figures, such as Jacob b. Meïr Tam, consulted him on complex and difficult questions. His written decisions, known as posḳim, demonstrate his mastery of Jewish law and his ability to provide guidance on intricate matters. Through his work and teachings, Shemariah ben Mordecai made significant contributions to the development of Jewish scholarship and practice during his time.