Lothair (778–6 February 779/780), son of Charlemagne & Hildegard, twin of Louis, he died in infancy

Please see Charlemagne Project for Source Details

------------- [http://en.wikipedia.org/wiki/Charlemagne HLOTHAR [Lothar] (Chasseneuil-du-Poitou {Vienne} [16 Apr/Sep] 778-[779/780]). He is named, and his parentage recorded, in the Gesta Mettensium, which specifies that he was his parents' fourth son "qui biennis occubuit", born a twin with Hludowic[124]. Paulus Diaconus wrote an epitaph to "Chlodarii pueri regis" naming "Karolus…rex genitorque tuus, genitrix regina…Hildigarda" and specifying that he was a twin[125]. :[http://fmg.ac/Projects/MedLands/CAROLINGIANS.htm#_Toc240955192