Who in Selena family are from Mexico?

Selena's father, Abraham Quintanilla Jr., was born in Corpus Christi, Texas, but his parents were from Mexico. Selena's mother, Marcella Ofelia Quintanilla (née Samora), was also born in Corpus Christi, Texas, and her parents were Mexican immigrants. Selena's grandparents on her father's side were named Abraham Quintanilla Sr. and Maria Tereza Martinez, and her grandparents on her mother's side were named Ofelio Samora and Maria Samora.