Married to the second daughter of the Hiki clan, Shigeyori supported Yoritomo, together with Morinaga ADACHI and Sukekiyo ITO who were also Hikinoama's sons in law.
比企氏の次女を娶った重頼は、同じく比企尼の婿である安達盛長・伊東祐清と共に頼朝を援助している。