Izumi-dono was positioned as the residence of the clan head and, therefore, when Kiyomori moved to Fukuhara in 1169, this residence was handed over to TAIRA no Shigemori, his heir.
泉殿は氏長者の邸宅と位置づけられており、1169年に清盛が福原に移ると、この邸宅は後継者の平重盛に譲られた。