The legitimate child of Akimoto, Motokatsu HOSOKAWA (Yorinori) stayed at Osaka-jo Castle as a trusted vassal of Hideyori TOYOTOMI, and he sided with Toyotomi in Osaka no Eki (The Siege of Osaka).
昭元の嫡子細川元勝（頼範）は、豊臣秀頼の近臣として大坂城に在り、大坂の役では豊臣方となった。