The Aquitainians , however , elected Pepin 's son as Pepin II .
Both were minors when Pepin died , so Louis the Pious awarded Aquitaine to his own youngest son , Pepin 's half - brother Charles the Bald .
The Aquitainians , however , elected Pepin 's son as Pepin   .
Both were minors when Pepin died , so Louis the Pious awarded Aquitaine to his own youngest son , Pepin 's half - brother Charles the Bald .