Gaston VI De Gontaut-Biron 
Gaston VI De was born in 1414. Gaston VI De's father is Gaston V Gontaut-Biron and his mother was Sybille De Lesparre. His paternal grandfather was Gaston IV De Gontaut and his paternal grandmother is Marguerite De Biron. He had a sister named Isabeau De. He died after 1481.
‌Gaston VI De and Catherine De were married in a religious ceremony on May 10th, 1456. They had a son named Pons De.