I imagine her with an older twin brother, and she's definitely the bully of the two of them, although she has her moments. She'd probably side 更多 with her father (daddy's girl) than her mother.
I don't think he will have a daughter 或者 son. Some people just want to die alone, his successor is Sakyo. That's obvious, though of he does have a daughter, I want her to be as sweet as an angle.