His father was a prophet and the brother of King Amaziah ( Talmud tractate Megillah 15a ) .
According to the ancient rabbis , Isaiah was a descendant of Judah and Tamar ( Sotah 10b ) .
Isaiah 's father was a prophet and the brother of King Amaziah ( Talmud tractate Megillah 15a ) .
According to the ancient rabbis , Isaiah was a descendant of Judah and Tamar ( Sotah 10b ) .