Paul Pinson de Valpinçon was born 29 Oct 1834 in Paris. He married Marguerite Claire Brinquant on 14 Jan 1861 in Paris. Paul died 13 Oct 1894 in Paris. Marguerite was born 05 Oct 1839, and died 07 Oct 1898. They had two children: Hortense Claire Pinson de Valpinçon, born 14 Jul 1862, who married Antoine Jacques Fourchy, and died in 1946; and Henri Victor PINSON de VALPINÇON, born 11 Jan 1869 in Paris, and died 28 Oct 1942. Henri never married. Hortense's husband, Antoine Jacques Fourchy, was born 25 Jun 1860.
For more information, see my comments on the Degas painting of Hortense, or visit my family blog at http://www.MyFamilyJules.com, or visit me on Facebook at http://www.facebook.com/GustaveCaillebotte.