Mariano Ariztia Astaburuaga

Mariano's father was Luis de Ariztia  Meoque and his mother was Francisca Astaburuaga Pizarro.  His paternal grandparents were Juan de Ariztia and Maria Jerónima de Meoque; his maternal grandparents were Francisco de Astaburuaga Echeverría and Antonia Pizarro Niño de Cepeda.  He was an only child.

They had a son named Ricardo.