 Yoshisuke, the family head, went to Kyoto by way of Iyo Province, and sought help from Toyotomi Hideyoshi.The family's old lands were restored in 1587, following Toyotomi Hideyoshi's invasion of Kyushu and defeat of the Shimazu clan.By the Edo period, the Itō retained their holdings, which came to be known as the Obi Domain.