There are, or at least there used to be conservative Jewish-American princesses. Back in the George Deukmejian era, there were a couple of prominent conservative JAPs in LA who rose to prominence as foes of forced busing. However, they both aspired to the same higher office.
It is said that when two JAPs get into a fight, they go all out. That's what happened to these two. Their bitter conflict alienated Republican primary voters and allowed an ultra-leftist whose last name rhymes with that of the former chairman of the Chinese Communist Party to get the nomination. He went on to lose.
Were you alluding to the 1986 California Republican US Senate primary, won by Ed Zschau, who went on to lose to incumbent Democrat Alan Cranston? Who were the two Republican Jewish ladies Zschau defeated?