Verses with the word simeonites in the Old Testament (3 verses):

Numbers 25:14
Now the name of the Israelite that was slain, even that was slain with the Midianitish woman, was Zimri, the son of Salu, a prince of a chief house among the Simeonites.

Numbers 26:14
These are the families of the Simeonites, twenty and two thousand and two hundred.

1 Chronicles 27:16
Furthermore over the tribes of Israel: the ruler of the Reubenites was Eliezer the son of Zichri: of the Simeonites, Shephatiah the son of Maachah: