 Although they were probably compiled in Charlemagne's court, a later writer revised them after the emperor's death, which might impact the way in which the annals cover Pepin.Einhard, a scholar at Charlemagne's court and one of the king's most important early biographers, provides only a glancing mention of Pepin.Initially, he makes no mention of Pepin or Himilitrude in his list of Charlemagne's legitimate offspring and spouses in his "Vita Karoli Magni"