Randolph Murdaugh III nació el 25 de octubre de 1939 en Savannah, Georgia, Estados Unidos. Estuvo casado con Elizabeth "Libby" Alexander. Murió el 10 de junio de 2021 en Carolina del Sur, EE.UU..
Passed away three days after the tragic murders of his daughter-in-law Maggie Murdaugh and grandson Paul Murdaugh, both whom were murdered by his son Alex Murdaugh.