The Château de Montgobert in the midst of the Forest of Retz, near Soissons, in Montgobert, Aisne, Picardy, is a neoclassical French château that was built for Antoine Pierre Desplasses between 1768-1775 on the site of an ancient seigneurie.
In 1758 the 'Seigneurie de Seneffe' was bought by Joseph Depestre, a Walloon merchant who earned a fortune by selling goods to the Imperial Austrian troops stationed in the Austrian Netherlands.
In 1706 he bought the island and seigneurie of Rottumeroog where he lived with his family until they were washed away by the Christmas flood of 1717.
The king confirmed his father in the land and seigneurie of Les Pins, in the north east of Touraine on 13 June 1727.
He derived his name from his small seigneurie of Ercuis (Old French Arcuys or Erquez; Latin Arquetum) in the Beauvaisis between Neuilly-en-Thelle and Cires-lès-Mello, about 55 km from Paris.
On 8 July 1741 he bought the seigneurie d'Orsay (fiefdom of Orsay), in the valley of Chevreuse, which his son had made into a countship on his majority, becoming Comte d'Orsay.
Originally from Ouanne in the Burgundy region, he exchanged property he owned on the Île d'Orléans with Augustin Rouer de la Cardonnière for the Seigneurie of Rimouski, which extended along the St. Lawrence River from the Hâtée River at Le Bic to the Métis River.
She was succeeded in the Seigneurie by her nephew, Sir Havilland de Sausmarez who, after a distinguished judicial career in the service of the Foreign Office, including serving as Chief Judge of the British Supreme Court for China for 16 years became the second member of his family to hold the office of Bailiff of Guernsey.
The Girard brothers retired about 1628, purchased a seigneurie and lived out their retirement as country gentlemen near Orléans.
The Seigneurie of Vismes passed to the house of Cayeu in the 14th century and then to that of Monchy in the following century, until 1785 when André de Monchy died.