Father: Lope Ruiz de Esparza Sr

Mother: Ana Díaz de Eguino

Origins: Born in Pamplona, Navarre; descended from noble houses of Esparza and Zariquiegui.

Migration: Arrived in New Spain on February 8, 1593, listed as passenger no. 2,633 in the Catálogo de Pasajeros a Indias.

Marriage: Wed Ana Francisca de Gabadi Navarro y Moctezuma in 1594. Ana is the great-great-granddaughter of Emperor Moctezuma II.

Settlement: Established in Nueva Galicia (Aguascalientes), becoming one of the earliest prominent settlers.

Family: Fathered at least 11 children, who intermarried with families such as Tiscareño, Romo de Vivar, and De la Torre.