Pierre Louis Auguste Delaunay
- Born on July 20, 1870 in Saint-Denis
Parents
- Louis Marie Gabriel Delaunay (1843 - 1912), ingénieur civil, constructeur de machines à Vapeur
- Marie Anne Elisabeth Belleville (1847 - )
Family
- Married on February 15, 1899 in Paris, with Marie Anne ou Marianne Derrien (1878 - 1946), pianiste
- Married on December 20, 1928 in Paris, with Private
Occupations
- ingénieur