In their 1998 novel "Son of Charlemagne", authors Barbara Willard and Emil Weiss tell the story of Charlemagne's family in a historical-fictional style, fleshing out the details of more historical accounts (likely Einhard was a major source here). In such scenes as Carloman's baptism, "Carl" expresses distress as he realizes that he has been renamed Pepin, taking his older half-brother's place. Willard adds special tension to the scene: "Carl had caught Bertha by the wrist and she had answered by putting her other hand as tightly on his. Pepin? But Gobbo was Pepin..."