Under the Muromachi bakufu, Omi Shugoshoku (provincial constable) was temporarily taken by Doyo SASAKI, who was from the illegitimate lineage of the Sasaki clan and Tokinobu complained of his bad luck, and became a priest, transfering leadership of the family to his son, Ujiyori and died at the age of forty-one.
室町幕府下においては近江守護職を一時佐々木氏庶流の佐々木道誉に奪われるなど不遇をかこつこととなり、出家して家督を子の氏頼に譲り、41歳で死去したという。