Pepin I or Pepin I of Aquitaine was King of Aquitaine and Duke of Maine.
Pepin was the second son of Emperor Louis the Pious and his first wife, Ermengarde of Hesbaye. Wikipedia
Born: 797 AD
Died: December 13, 838 AD (age 41 years), Poitiers, France
Grandparents: Charlemagne, Hildegard, and Ingerman, Count of Hesbaye
Children: Pepin II of Aquitaine and Charles
Parents: Louis the Pious and Ermengarde of Hesbaye
Partner: Ingeltrude of Madrie