Namesakes

Frankish and French Kings: 4 kings
King Chlothar I the Old (a.k.a. Lothaire)   511-561  
King Chlothar II the Great (a.k.a. Lothaire)   584-629  
King Chlothar III (a.k.a. Lothaire)   656-673  
King Lothair (a.k.a. Lothaire)   954-986