Chlothar III (or Chlotar, Clothar, Clotaire, Chlotochar, or Hlothar, giving rise to the name Lothair; 652–73) was the eldest son of Clovis II, king of Neustria and Burgundy, and his queen Balthild. When Clovis died in 658, Chlothar succeeded him under the regency of his mother.