Son of Honjou Saneyori who, like his father, served Uesugi Kenshin. He was made master of Numata Castle.
After Kenshin's death, he took Uesugi Kagetora's side in the Otate no Ran. He escaped just before the surrender of the castle to Uesugi Kagekatsu. Afterwards, he continued to oppose Kagekatsu with Kanamari Chikatsuna of Sanjou Castle. In 1580, when Tochio Castle fell, he fled into the Aizu.