(It has traditionally been said that he was born in 1435, but according to recent researchers including Akira OMOTE, he was more likely to be born in 1451; therefore, both of the years are described here).
（生年については従来1435年といわれていたが、近年表章などの研究により1451年説が有力になってきており、この項では両説を併記した）。