When his elder brother, the 12th family head Iemitsu ISHIKAWA died in April 1330, he supported Michifusa and succeeded the family estate, as Sadamitsu ISHIKAWA the eldest son of Iemitsu was very young. |
元徳2年(1330年)4月、兄である12代当主石川家光が没すると、その長男石川貞光が幼少であったため光英を養いつつ家督を継いだ。 |