The Sassa clan, which is the birthplace of the lawful wife of Nobutaka himself, is also in Kasugai County in northwestern Owari Province, and it is not so far from Nishi Mino.
信高自身の正室の生家である佐々氏も尾張国北西部の春日井郡であり、西美濃とはそれほど離れていない。