Leonides is preceded in death by his sons, Luis, Tommy, and Gabriel De La Rosa. He is survived by his wife, Zenaida De La Rosa; children, Pete Alfaro, Leonidas De La Rosa, Jr. (Eva), Gloria Granados (Joe), Rosemary Cisneros (David), and Alice De La Rosa; sister, Tomasita Alfaro;19 grandchildren, 30 great grandchildren, 18 great-great grandchildren and numerous other family members.
