Actually, Mitsuhide AKECHI's second daughter, who was Hidemitsu's wife, was an adopted daughter from Mitsukado AKECHI and therefore, it can be interpreted as meaning that he succeeded as the head of his wife's parental family.
一方で、秀満の妻である明智光秀の次女は実は養女で、実は明智光廉の娘であり、妻の実家を継いだとの解釈もできるという。