25 In the seventh month, however, Ishmael son of Nethaniah, the son of Elishama, who was of royal blood, came with ten men and assassinated Gedaliah and also the men of Judah and the Babylonians who were with him at Mizpah.

Read 2 Kings 25:25 Using Other Translations

But it came to pass in the seventh month, that Ishmael the son of Nethaniah, the son of Elishama, of the seed royal, came, and ten men with him, and smote Gedaliah, that he died, and the Jews and the Chaldees that were with him at Mizpah.
But in the seventh month, Ishmael the son of Nethaniah, son of Elishama, of the royal family, came with ten men and struck down Gedaliah and put him to death along with the Jews and the Chaldeans who were with him at Mizpah.
But in midautumn of that year, Ishmael son of Nethaniah and grandson of Elishama, who was a member of the royal family, went to Mizpah with ten men and killed Gedaliah. He also killed all the Judeans and Babylonians who were with him at Mizpah.