Donald Trump’s Favorite Son-In-Law Is Jewish — Does That Matter? Josh Nathan-Kazis March 3, 2016. On stage at Donald Trump’s victory party on primary night in Manchester, New Hampshire, Trump’s son-in-law Jared Kushner was hard to spot. A polished Harvard graduate wearing muted grays, Kushner seemed ready to fade into the background alongside Trump’s sons Don Jr. and Eric in their wide, bright ties — but Trump wouldn’t let him. “And Jared,” Trump said, gesturing past his daughter, and Kushner’s wife, Ivanka Trump. “Jared is a very, very successful real estate entrepreneur in Manhattan. But he likes this better than...