Sydney Sweeney, Marilyn Monroe & More Who Are Surprisingly Related

MyHeritage has confirmed a surprising family connection between Sydney Sweeney and Marilyn Monroe. The two actresses are ninth cousins once removed, sharing a common ancestor from the 17th century. This genealogical discovery comes after years of public comparisons between the two stars. The findings were established by tracing their respective family trees, revealing a distant but factual biological link between the modern actress and the iconic Hollywood legend from the past century.