Hi im also Maria Quintero's grandaughter. Eulalio is the father of Aurora and Gracelia Quintero. Maria Quintero is the sister of Eulalio Quintero. Elena Quintero is the only sister of Maria and Eulalio Quintero that is alive, and she has cancer. That I know of, Eulalio has 9 brothers and sisters and I am possitive that all of them had large families.