He was born when his father was still a co-regent with Seti I. He was originally called Amun-her-wenemef ("Amun Is with His Right Arm").
Ia lahir ketika ayahandanya masih menjadi rekan-pemangku takhta Seti I. Ia aslinya disebut Amun-her-wenemef ("Amun bersama lengan kanannya").