Career
Yoshikiyo decided to move away from Minamoto clan to Takeda of Kai province. He then founded the Takeda line, also known as Kaigenji Takeda. Kai is from Kai Province, and Genji is the Chinese root of their family name (Minamoto).
Minamoto no Yoshikiyo switched his name to Takeda no Yoshikiyo for life.
Kiyomitsu is considered to be the progenitor of the Takeda.