A post shared by Meghan King (@meghanking)According to Page Six, Meghan also posted images with Cuffe, 42, while celebrating her 37th birthday at a vineyard. It's not known how long they've dated.Cuffe, a Los Angeles-based attorney, is the son Valerie Biden Owens, who is not only President Biden's sister, but also serves as one of his advisers. While Cuffe comes from a very high-profile family in American politics, he has largely been able to stay out of the spotlight.