As part of the Akamatsu clan, Yoshiie served Deputy Military Governors Norimune URAGAMI and Muramune URAGAMI and held territory at Toishi-jo Castle of Toyohara no sho Estate in Bizen Province.
赤松氏のもとで守護代を務めていた浦上則宗、浦上村宗に仕え、備前国豊原荘砥石城_(備前国)を領していた。