חנוך's father is ראובן. His paternal grandparents were יעקב ישראל and לאה. He is an only child.
General Notes
And Reuben spake unto his father, saying, Slay my two sons, if I bring him notto thee: deliver him into my hand, and I will bring him to thee a gain. Reuben, the eldest son of Israel: the children of Reuben; Hanoch, of wh om cometh the family of the Hanochites
חנוך