Charles Ellicott Commentary Numbers 25:14

"Now the name of the man of Israel that was slain, who was slain with the Midianitish woman, was Zimri, the son of Salu, a prince of a fathers` house among the Simeonites." — Numbers 25:14 (ASV)

A prince of a chief house among the Simeonites.— Better, of a father’s house, etc. It is probable that the tribe of Simeon was deeply implicated in the transgression, and that those who belonged to that tribe were the chief sufferers in the plague. (See Numbers 26:14, and Note.)