Lifespan: Eishō 14 (1517) to Tenbun 16 (1547)
Rank: daimyō
Clan: Date → Kasai
Father: Date Tanemune
Adoptive Father: Kasai Tanekiyo
Siblings: Yakata Gozen (wife of Sōma Akitane), sister (formal wife of Ashina Moriuji), Date Harumune, Ōsaki Yoshinobu, Date Sanemoto, Date Genbamaru, sister (wife of Nikaidō Teruyuki), sister (wife of Tamura Takaaki), Munezumi, sister (wife of Kakeda Toshimune), Koori Munesada, Kasai Harukiyo, Yanagawa Munekiyo, Murata Munetane, Gokurakuin Sōei, Watari Tsunamune, Watari Motomune, Ōari Yasuura, Shichirō, Kosugō Gozen (wife of Sōma Yoshitane)