Who is Adolf Hitler's brother?

Answer 1

Adolph Hitler's oldest brother was Alois Hitler Jr. they were half-brothers. Alois died in 1956.

Adolph Hitler had two true brothers that were born before him, Gustav and Otto, and a younger brother, Edmund, all three died in childhood.

He also had one sister, (Ida, who also died young; and one half-sister, Angela, who died in 1949.