Jakob ben Chajim
Jakob ben Chajim (died 1574) was a rabbi in Worms, and appointed by Emperor Ferdinand I as Reichsrabbiner (Rabbi of the Empire) of the Holy Roman Empire in 1559. He was the uncle of Judah Loew ben Bezalel.
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Wikipedia
Jakob ben Chajim (died 1574) was a rabbi in Worms, and appointed by Emperor Ferdinand I as Reichsrabbiner (Rabbi of the Empire) of the Holy Roman Empire in 1559. He was the uncle of Judah Loew ben Bezalel.