Lindsey Graham’s sister is taking his Senate seat. Who is she?

The Republican governor of South Carolina, Henry McMaster, announced on Monday that Lindsey Graham’s sister would take his seat in the U.S. Senate.Under state law, McMaster was required to appoint a temporary replacement to serve out the rest of Graham’s term, which ends in January. He chose the late Republican’s younger sibling, Darline Graham Nordone, to take the seat, according to TIME magazine.Graham died on Saturday of an aortic dissection at the age of 71. “Today, under the law, it's my duty to and honor to name someone to serve in the place of this irresistible man, this irreplaceable man, this extraordinary man, for the remainder of his term,” McMaster said at a press conference Monday afternoon. “It's my honor to ask his little sister, Darlene Graham, to finish his work for him now.”Nordone said it was an “honor” to temporarily serve in the seat, and thanked the governor for the appointment.“I know Lindsey was loved and respected by many, and I greatly appreciate the memories and even the funny stories that have been shared,” Nordone said. “These shared experiences, along with our faith, have gotten us through these past two very difficult days.”Related: Lindsey Graham, Trump ally who opposed LGBTQ+ rights and consistently denied being gay, dies at 71 Darline Graham Nordone at the July 13 press conference announcing her appointment to Graham's Senate seat.Grant Baldwin/Getty ImagesThe siblings’ early life in South Carolina Related: In a viral post, transgender author alleges anti-LGBTQ+ senator Lindsey Graham hired her for sex workThe brother and sister shared a close bond, which Nordone had expressed in previous interviews. In 2015, she told the New York Times that her brother was “kind of like a brother, a father, and a mother rolled into one.” The two lost their mother to cancer in 1976 and their father to a heart attack just one year later. At the time, Graham was 22, and Nordone was only 13. After their father died, Nord