Sydney Sweeney and Marilyn Monroe are ninth cousins, once removed

Sydney Sweeney and Marilyn Monroe are ninth cousins, once removed, MyHeritage found, The Hollywood Reporter reported on 7 October 2026. Both trace to Ezra Perry (c. 1625–1689), an early English settler in Sandwich, Massachusetts, the Reporter said. The work was led by MyHeritage research director Roi Mandel, the Reporter said.