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.
Teresa De Marzo Teresa De Marzo (1903–1986) was a pioneering Brazilian aviator. In 1922, she became the first woman in Brazil to be granted a pilot's license.