The Collaborative International Dictionary of English v.0.48:

Carlovingian \Car`lo*vin"gi*an\, a. [F. Carlovingen.]
   Pertaining to, founded by, of descended from, Charlemagne;
   as, the Carlovingian race of kings.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Carlovingian
    n 1: a member of the Carolingian dynasty [syn: Carolingian,
         Carlovingian]