She does not seem to be mentioned in any article on the web. There are a couple of books about Henri Martin, now unavailable in bookshops. Probably your nearest library would be able to find information.
1882-1965 french painter
Edgar Degas (1834-1917), French painter.
Maurice Utrillo, painter of Paris views.
Constantin Guys, Dutch/French water color painter and illustrator.
1911 - 1992
William is spelled "Guillaume" in French.
In French, the name William is spelled "Guillaume."
Guillaume Amontons was an important middle ages French physicist.
The French equivalent of the name William is Guillaume.
Guillaume
1882-1965 french painter
Guillaume (in French)
No he was a French philosophe
The French name Guillaume means "William" in English. It is of Germanic origin and is a common name in France and other French-speaking countries.
The name is "Guillaume"
Edgar Degas (1834-1917), French painter.
Maurice Utrillo, painter of Paris views.