This isn’t the first time Mitt Romney has distanced himself from the man who might win the Republican presidential nomination. While the story of George Romney walking out of the 1964 Republican National Convention may have been embellished, the Romneys did stand against Barry Goldwater on civil rights.

The younger Romney’s rebuke of GOP front-runner Donald Trump is even more significant. George Romney tried and failed to win his party’s presidential nomination. Mitt Romney was the Republican nominee in 2012.