Martial Caillebotte (1853–1910) was a French photographer and composer who was also one of the "Fathers of Philately" entered on the Roll of Distinguished Philatelists in 1921. He was the younger brother of the noted artist Gustave Caillebotte (1848-1894) and they both inherited a fortune from their father, enabling them to pursue their respective passions throughout life. He married Marie Minoret, June 7, 1887. In 1888 his wife gave birth to a son Jean, and then in 1889 a daughter Geneviève. Geneviève inherited the majority of unsold paintings by Gustave Caillebotte. * * *