Jules Henri Blanvalet
- Born on August 7, 1877 in Geneva
- Deceased in 1951, at the approximate age of 73 years
Parents
- Gustave Barthélémy Blanvalet (1831 - 1890)
- Hélène Clémence Augustine Mongin (1838 - 1907)
Family
- Married on November 28, 1906 in Geneva, with Louise Eugénie Blanchard (1877 - 1933), issuing
- Roger (1907 - 1929)
- Pierre Eugène Gustave (1915 - 2002)