Yukihiro was a son of Ujiie Naomoto. He served Toyotomi Hideyoshi and was given a fief in Ise province. He fought for Ishida Mitsunari in the Sekigahara Campaign and was afterwards dispossessed. In 1614 he went to join the defenders of Osaka castle and was killed at the conclusion of the Osaka Summer Campaign.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005