According to Cawley Theudebert I, king of the Franks at Reims is not the son of Suavegotha of the Burgundians but of an unknown partner of Theodoric, King of the Franks
See http://fmg.ac/Projects/MedLands/MEROVINGIANS.htm#ClovisIB
Disconnecting, pending sources / Discussion
or Suavegotha of the Burgundians is under 12 years old for the birth of her child Theudebert I, king of the Franks at Reims.