Ginnojo was the son of a distinguished family; he was a younger brother of Kuranosuke WATANABE, senior vassals of the Toyotomi family, and his mother was Shoeini, Yotdodono's confidant.
銀之丞は豊臣家の重臣渡辺内蔵之介の弟、母は淀殿の腹心正栄尼という名家の御曹司である。