His siblings were a younger sister who became the legal wife of Tajima no kami (Governor of Tajima Province) Tsugumasa MASHIKO, Tokitomo KASAMA, a younger sister who became the legal wife of Hitachi no kami (Governor of Hitachi Province) Sadamune ODA, and Tomosada, and his children were Yasutomo, Tadatsuna, Chikatoki KOOKA, and a daughter who became the legal wife of Tomokage KASAMA.
兄弟には、益子但馬守継正の正室となった妹、笠間時朝、小田常陸守貞宗の正室となった妹、朝貞、子には、泰朝、忠綱、幸岡親時、笠間朝景の正室となった娘がいる。