Maybe her family having all that money and prestige with their jobs swayed him from wanting a certain look of babies with a partner and how that partner needed to look? Money took priority for him over who he was attracted to and had nothing to do with you. Lots of guys think girls opposite of their look are more exotic too, and somewhat of a head turner.
It is hard to know why anyone does the opposite of what they claim is their truth. You'll go crazy trying to understand this man, so please stop trying. His day of reckoning will come to him.