Gilbert de Pontblanc
From NSWiki
Gilbert de Pontblanc (1833-1891) was a Braslander nobleman. He was the son of Eugène, Marquis de Pontblanc.
In 1862 he married his cousin, Isabelle du Marechal. They had five children: Irene (born 1863), Guillaume (born 1865), Artus (1867-1885), Barthélemy (1868-1869), Françoise (born 1870) and Yolaine (born 1873).
He died in 1891.