Deuteronomy 2:33-34
2:33 the Lord our God delivered him over to us and we struck him down, along with his sons and everyone else.
2:34 At that time we seized all his cities and put every one of them under divine judgment, including even the women and children; we left no survivors.
Numbers 21:35
21:35 So they defeated Og, his sons, and all his people, until there were no survivors, and they possessed his land.
Joshua 13:12
13:12 the whole kingdom of Og in Bashan, who ruled in Ashtaroth and Edrei. (He was one of the few remaining Rephaites.) Moses defeated them and took their lands.
Joshua 13:30
13:30 Their territory started at Mahanaim and encompassed all Bashan, the whole realm of King Og of Bashan, including all sixty cities in Havvoth Jair in Bashan.