Imperial Prince Oshikuma was a Prince of the Emperor Chuai, and his mother was Onakatsuhime (also known as Onakatsuhime no Mikoto) who was a daughter of Prince Hikohito no Oe.
仲哀天皇の皇子で、母は彦人大兄の女・大中姫（おおなかつひめ、大中比売命）。