Nagamichi's second son, Masatomo SUMITOMO, who had inherited the family estate instead of his elder brother Kobe, was born during the Tensho era, studied under Giyuishonin-Kugen (the founder of the Nehan-shu sect) and became a Buddhist who called himself "Monjuin Kuzen."
長行の二男で兄の興兵衛に代わって家督を継いだ住友政友は、天正年間に生まれ、涅槃宗(日本)の開祖、空源乃意上人にしたがって仏門に入り「文殊院空禅」と称した。