Plectrude, moving quickly, seizes twenty-six-year-old Charles, her…

Plectrude, moving quickly, seizes twenty-six-year-old Charles, her husband's eldest surviving son, borne by his mistress, Alpaida (or Chalpaida), and imprisons him in Cologne, the city which is destined to be her capital.

This prevents an uprising on his behalf in Austrasia, where he had gained favor primarily for his military prowess and ability to keep the Austrasians well supplied with booty from his conquests, but not in Neustria.