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.
Luise Hoffmann Luise Hoffmann (8 July 1910 – 27 November 1935) was a German aviator. She was the first woman test pilot in Germany, and possibly in Europe.