Sesostris was the son of unknown parents. The date and place of his birth have not been found.
He had two marriages/partners. His first wife was Nefret of Egypt. They were married, but the date and place have not been found. Their only known child was Amenemhat I Sehetepibre (?-1962BC).
His second wife was Sit-Hat-Hor of Egypt. They were married, but the date and place have not been found. Their only known child was Dedyet (?-?).
Note 1
Name found recently on the third pylon at Karnak