10. Ralph Fiennes and Joseph Fiennes
Ralph Fiennes, famously known as Voldemort, is the brother of Joseph Fiennes, known for his role in “The Handmaid’s Tale.” The Fiennes brothers, along with their other siblings, have quite a famous lineage. Their nephew, Hero Fiennes-Tiffin, portrayed a younger version of Voldemort in “Harry Potter and the Half-Blood Prince.”