During the Edo Period, four vassals, including the Rusu clan (the Mizusawa-Date clan), the Shiraishi clan (the Tome-Date clan), the Watari clan (the Wakudani-Date clan) and the Iwaki clan (the Iwayado-Date clan), were allowed to use the family name of DATE. |
- 江戸時代には留守氏(水沢伊達家)、白石氏(登米伊達家)、亘理氏(涌谷伊達家)、岩城氏(岩谷堂伊達家)が伊達姓を許されている。 |