On the premise of former Ouchi Town Office in Yurihonjo City, Akita Prefecture, there is a grave that is thought to be 'the grave of Prince Masaie KUSUNOKI,' the grandson of Masashige KUSUNOKI, and Masaie's descendents were said to have formed the Uchikoshi clan, one of Yurijunito (the local ruling families in Yuri Country of Dewa Province, which were forming a purpose-oriented loose alliance during the Sengoku period [period of warring state]).
秋田県由利本荘市の旧大内町役場敷地内に楠木正成孫の「楠正家公墓」とされるものがあり、その子孫が由利十二頭の打越氏であると伝えられている。