David Carnegie Andrew Agnew

“ The family of Cosne, originally from Dauphiny, had been settled in La Beauce since the fifteenth century. The first on record is Pasquier de Cosne, Seigneur de Houssay et de Chavernay. He left two sons, of whom Charles (the younger) founded the branch of Cosne-Houssay. ”

“ On the 8th September 1717, the infant Ruvigny De Cosne was registered, amidst evident enthusiasm, in the Register of Baptisms of Maison Dieu, Southampton, the parents being overjoyed at being permitted, or requested, by the veteran earl to give their son the illustrious name of Ruvigny. In this entry “Monsieur Pierre De Cosne, gentilhomme de La Beauce” becomes “Messire Pierre De Cosne, Chevalier de la Province d’Orleans.”
On 8th January 1718, a refugee lady died at Southampton, who may be called a kinswoman both of Lord Galway and of the De Cosnes ”