Gaining the favor of Hideyoshi, Hideie became his adopted son, before marrying Hideyoshi's adopted daughter, Gohime (Toshiie MAEDA's daughter) in 1586, making her his seishitu (lawful wife).
秀吉の寵愛を受けてその猶子となり、天正14年（1586年）には秀吉の養女（前田利家の娘）の豪姫を正室とする。