Around 1376 he edited "Sonpi Bunmyaku" (Bloodlines of Noble and Base) (also known as "Shin Hensanzu Honcho Sonpi Bunmyaku Keifu Zatsurui Yoshu") by collecting various families' trees.
永和2年（1376年）頃、諸家の系図を集めて『尊卑分脈』（『新編纂図本朝尊卑分脈系譜雑類要集』）を編んだ。