Although there is no record that Mitsunari SHIDA was allowed to use the family name Toyotomi, at Sotoku-ji Temple (in Hirosaki City, Aomori Prefecture), succesive gravestones of the Sugiyama family members such as Shigenori are said to have that family name engraved on them (the Kinoshita clan, the family which Kodai-in was from, was the only family that officially used the family name Toyotomi in the Edo period).
石田三成が豊臣氏を名乗ることを許されていたという記録は無いが、宗徳寺（青森県弘前市）にある重成以下杉山家の代々の墓には豊臣の姓が刻まれているといわれている（江戸時代に豊臣氏を正式に名乗っていたのは高台院の実家木下氏のみである）。