Tacchu-in of Kanshin-ji Temple, which is said to have been reconstructed by Masashige's great-grandfather, Shigeuji KUSUNOKI, is an ancestral temple of the Kusunoki clan.
観心寺塔中院は、正成の曾祖父楠木成氏が再建したと伝えられる、楠木家代々の菩提寺。