Geronima de Contreras

Geronima's father was Juan de Garay and her mother was Isabel de Becerra y Mendoza.  Her maternal grandparents were Francisco de Becerra and Isabel de Contreras y Mendoza. She had three brothers and two sisters, named Tomas, Cristobal, Juan, Ana and Maria. She had a half-brother named Juan "el mozo".

They had three daughters named Isabel, Geronima and Maria.