jacob: (Old Testament) son of Isaac; brother of Esau; father of the twelve patriarchs of Israel; Jacob wrestled with God and forced God to bless him, so God gave Jacob the new name of Israel (meaning `one who has been strong against God')
patriarch: any of the early biblical characters regarded as fathers of the human race
clinocephaly: a congenital defect in which the top of the head is depressed (concave instead of convex)