Maseo Yamashiro (New Earth)

Maseo Yamashiro was the Husband of the Samurai Katana (DC). They had 2 kids and were childhood sweethearts. Katana picked Maseo over his brother, Takeo Yamashiro, and this angered him. Maseo and his family were later attacked by Takeo and Maseo was killed in the fight, along with the children. This caused Katana to start her superhero life.