Let's hope Chelsea Clinton’s future uncle-in-law does not get access to mum Hillary. Her fiance Marc is a nephew of anti-Zionist Prof Norton Mezvinsky.

Chelsea, incidentally, won’t be the first of presidential stock to enter a Jewish family. Claudia Taylor Brod, grandchild of Lyndon Johnson, converted to Judaism and lives in Miami. And Franklin Roosevelt’s great-grandson, Joshua Boettiger, is a rabbi.