2 Kings 25:25

25:25 But in the seventh month Ishmael son of Nethaniah, son of Elishama, who was a member of the royal family, came with ten of his men and murdered Gedaliah, as well as the Judeans and Babylonians who were with him at Mizpah.

Jeremiah 41:1

41:1 But in the seventh month Ishmael, the son of Nethaniah and grandson of Elishama who was a member of the royal family and had been one of Zedekiah’s chief officers, came with ten of his men to Gedaliah son of Ahikam at Mizpah. While they were eating a meal together with him there at Mizpah,