Tatsu Yamashiro / Katana

 Earth-One / Post-Crisis / New Earth 
 * 1)  Maseo Yamashiro  - Her husband, whose death preceded her becoming the vigilante Katana, and whose sould, for a time at least, resided in her blade.

Arrowverse

 * 1)  Maseo Yamashiro  - Her husband, an operative of Amanda Waller. The two had a young son, Akio. As part of Maseo's work while they were living in Hong Kong, he toook Oliver Queen into their home, much to the chagrin of Tatsu, who disliked Oliver and did not want him around Akio. She eventually warmed to him, and the three found themselves in a race against time to stop a deadly disease from being released on the population. They succeeded, but Akio was afflicted with the disease and died. After this, Maseo, in his grief, left Tatsu and became a member of the Leauge of Assassins. Tatsu later aided Oliver as the Green Arrow, taking on the guise that comic-readers know as Katana. They fought Maseo. Although she constantly tried to persuade him to come back to the side of good, she ended up killing him in battle.