Definition: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Input: Judah ben Asher (June 30, 1270 -- July 4, 1349) was a German Talmudist and later rabbi of Toledo, Spain, son of Rabbenu Asher and brother of Jacob ben Asher (''Ba'al ha-Turim'').
Output:
Who was the brother of Judah ben Asher?