Gaspar Barrera y Escobar Ibacache

Gaspar's father was Gaspar de la Barrera Vergara and his mother was María de Escobar Ibacache.  His paternal grandparents were Gaspar de la Barrera Chacón y Ruiz and Luciana de Vergara y Silva; his maternal grandparents were Pedro Escobar Ibacache and Beatriz Cortés de Rueda.  He was an only child.

They had a daughter named Juana de la.