Abraham Isaac Quintanilla Jr., the man who helped shape the late Selena Quintanilla's legendary career, has passed away. And the news is hitting fans hard. The woman who changed Latin music forever didn't rise alone-and now, her father and longtime manager is being remembered in a big way.RELATED: Rest In Peace! Celebs Who Sadly Passed Away In 2025Family Confirms Death Of Selena's FatherAbraham Isaac Quintanilla Jr., Selena's father and longtime manager, has died at the age of 86. The news was confirmed by his son, Abraham "A.B.