Duke Adelrico of Gascony
Adelrico was born in 0742.  He died at the age of 70 in 0812.

 Duke Centuelle of Gascony
Centuelle was born in 0763 in Gascony, France.  He died at the age of 49 in 0812.

 Garcia Jimenez
Garcia was born about 0785 in Gascony.  He died in 0816.

 Duke Ximeno de Gascony
He died in 0816.