Etymology and distribution of 前貞.

Maesada 【前貞】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kanagawa-ken Yokosuka-shi . Personal name . In the Kanagawa-ken Yokosuka-shi Heiwa, say from the name of Miura Yasushi (Miura · Joyas) who is a character of the Warring States period · Azuchi-Momoyama period, he changed his name to the public in Edo period with his family name as surname. It is unknown whether the world exists. 三浦 Miura reference.