Well then, there is actually legal precedent against him bringing her to court.

According to my lawyer sister in my new favorite obscure legal case.

In the 1970s, a suit was actually brought against the Devil....and the case was thrown out because as a foreign prince, there was no jurisdiction.

This has been your obscure legal fact of the day.

https://en.m.wikipedia.org/wiki/United_States_ex_rel._Gerald_Mayo_v._Satan_and_His_Staff