it certainly would be interesting to have a foreign-born First Lady. Perhaps Slovenia will be less disgusted by his election than everybody else - though as allies go, it's sadly not all that influential.
It's certainly true, as I read in an opinion piece after Trump did that family rally, that his children and to a lesser extent his wives help his image, in a 'he can't really be as crazy as he seems if he has three children like that' kind of way.
Though on the other hand, keeping in mind also your earlier comments about his good reputation in New York business circles, what does it say about him that his home county in Manhattan was the only county in the entirety of New York that he lost in the primary?