[a][2] His maternal grandparents were Marguerite (née Bouat) and Antoine Pascault (1665–1717), a merchant who traded between La Rochelle and Canada.
His ancestor Jean Pascault bought the barony, land and seigneury of Poléon in Saint-Georges-du-Bois in 1635 for 40,000 livres from Marguerite, Duchess of Rohan.
[3] Around 1790,[4] he settled in Baltimore, Maryland at Chatsworth, a large country mansion on Saratoga Street between Pine and Green,[5] that was formerly the estate of Continental Congressman Edward Biddle.
[1] The row became home to some of Balitmore's wealthiest and most prominent families, including his son-in-law, Gen. Columbus O'Donnell, and Bishop William Rollinson Whittingham.
[1] Reportedly, it was at a dinner party at the Marquis de Poleon's residence that Jérôme Bonaparte, the youngest brother of Napoleon I and later King of Westphalia, was formally introduced to the close friend of his daughter Henriette, Elizabeth Patterson,[7] who was herself the daughter of Maryland businessman and founder of the Baltimore and Ohio Railroad William Patterson.