'Eunuchs' in the Bible

and come in do all the heads of the king of Babylon, and they sit at the middle gate, Nergal-Sharezer, Samgar-Nebo, Sarsechim, chief of the eunuchs, Nergal-Sharezer, chief of the Mages, and all the rest of the heads of the king of Babylon.

And Nebuzar-Adan, chief of the executioners sendeth, and Nebushazban, chief of the eunuchs, and Nergal-Sharezer, chief of the Mages, and all the chiefs of the king of Babylon;

And Johanan son of Kareah, and all the heads of the forces who are with him, take all the remnant of the people whom he hath brought back from Ishmael son of Nethaniah, from Mizpah -- after he had smitten Gedaliah son of Ahikam -- mighty ones, men of war, and women, and infants, and eunuchs, whom he had brought back from Gibeon,