Chiyo, the legal wife of Tadataka, was a daughter of Toshiie MAEDA, and the matrimonial relation between the Maeda and Hosokawa family was thought as unfavorable by the Tokugawa family.
忠隆の正室千世は前田利家の娘であったため、前田・細川の姻戚関係を徳川家は好ましく思っていなかった。