Actor Robert De Niro's grandson dies at 19

Robert De Niro and his daughter Drena De Niro (left) appear at the 20th annual Hollywood Film Awards in Beverly Hills on Nov. 6, 2016. Leandro De Niro Rodriguez (right), a grandson of Robert De Niro and Diahnne Abbott, has died at 19. Photos: AP, Drena De Niro/Instagram

Leandro De Niro Rodriguez, a grandson of Robert De Niro, has died at 19.

His mother, Drena De Niro, announced the news Monday in an Instagram post.