Ujitoki was the 2nd son of Hôjô Sôun. He was first known as Shinrokurô. He for a time held Odawara castle and was later established at Tamawana castle, taken from the Miura clan in 1512. He fought Satomi Yoshitaka at the Battle of Tobegawa in 1526.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005