Melchor de Santiago Concha y Errazquin

Melchor de was born in 1711.  Melchor de's father was Jose de Santiago Concha y Salvatierra and his mother was Ines de Errazquin.  His paternal grandparents were Pedro de Santiago Concha y Santiago and Mayor de Salvatierra; his maternal grandparents were Pedro Matias de Errazquin e Ilzarve and Josefa de Torres y Zavala.  He was an only child.

They had a daughter named Nicolasa de.