Militar, Capitán, Juez Oficial Real ,Tesorero Juan Montes De Oca Y Lorca Alcalde De La Ciudad De Buenos Ayres

Juan was born about 1588 in Sevilla.  Juan's father was Alonso De Lorca and his mother was María Montes De Oca Y Monsalve.  His maternal grandparents were Capitán Juan Montes De Oca and Margarita Monsalve.  He was an only child.

‌Juan and Francisca were married in a religious ceremony on March 7th, 1627 in Buenos Ayres.  They had a son named Juan.