Ancestor no. 85 of Augustin Cochin, on his father’s side, in the Pierfit collaborative tree on Geneanet.
Brothers and sisters, according to the Pierfit tree: Françoise Aimée (1779 – 1834), Pierre-Nicolas (1781 – 1863).
- Parent of
- Joseph Édouard Couïn de Grandchamp (1806 – 1861)
- Married
- Joseph Christophe Couïn de Grandchamp, in 1802