Actor Robert De Niro's father, Robert De Niro Sr., was a talented abstract expressionist painter who struggled with lack of recognition, depression, and his homosexuality, leading to estrangement from his son but also deep pride, themes explored in the documentary "Remembering the Artist: Robert De Niro, Sr.". While De Niro Sr. was a respected artist in his time, he felt overshadowed by his son's immense fame and struggled with feelings of jealousy, though he was also incredibly proud of Bobby, as chronicled in his journals read by the actor in the film.