I don't see how they could be really married. Apparently Cullen and Naomi made an oath to one another.
They knew the Swede was an imposter. The writers are painting Cullen as an honorable man. Theyre making it
look like Naomi and the baby is all he has left. Hes lost his first family and most of his friends as well. Like Ruth they've taken everything away from him.
I guess that's all the writers need.