There's a reason Ivanka married him.

http://www.people.com/article/chelsea-clinton-ivanka-trump-friendship-parents-rivalry

The political world was pleasantly surprised to learn that Ivanka Trump and Chelsea Clinton are bipartisan BFFs

And Chelsea raved about her friend in a February interview with Vogue, saying, "She's always aware of everyone around her and ensuring that everyone is enjoying the moment ... There's nothing skin-deep about Ivanka." "She's a great woman," Chelsea adds to PEOPLE.

Donald Trump Jr. has come out in support of marriage equality.

Ivanka has hosted fundraisers for equal marriage rights among gays.

They classily raised funds for radical leftist Cory Booker.

Ivanka Trump Switches Teams For Cory Booker [07/17/2013]