User blog comment:B214/Volume 23 discussion blog/@comment-177.177.111.64-20170425170658/@comment-30048084-20170425172601

Legal? why would it be illegal for him to have a kid.

I would guess Lavinia solely because she is the only female that has appeared in the series where Vali has reacted to in the series plus it looks like Ishibumi likes the idea of the wife ruling the roost.