What is the name of this Argentine aviator of Italian, English, and Irish descent, who was the grandmother of Luciana Pedraza?
Susana Ferrari Billinghurst Susana Ferrari Billinghurst (1914–1999) was an Argentine aviator of Italian, English, and Irish descent. She was the first woman in South America to earn a commercial pilot's license, in 1937.
Johnny Traill John Arthur Edward Traill (1882-1958) was the first Irish-Argentine 10-goal polo player.