Duke of Choiseul

Duchy-peerage created in 1665 from the lordships of Polisy, Polisot, Buzeuil, Fols, Bourguignons and dependencies for Marshal César de Choiseul, Count of Plessis-Praslin (the Plessis-Praslins form a cadet branch of the Choiseul-Praslins, themselves a cadet branch of the Choiseul-Chevignys noted below), a general in the service of Louis XIV.

[1] Duchy-peerage created in 1758 for Étienne François de Choiseul-Beaupré, Count of Stainville, Marquis of Estainville and of La Bourdaisière, famous minister of Louis XV, distant cousin of the Dukes of Choiseul and Counts of Plessis-Praslin mentioned above.

[2][3] In 1786, Jacques Philippe de Choiseul, Marshal of France, younger brother of Étienne François, was made Duke of Choiseul-Stainville "with patent".

Duchy-peerage created in 1762 for César Gabriel de Choiseul, Count of Chevigny.

[5] Duchy-peerage created in 1787 on the lands of Pesmes (Haute-Saône, former marquisate of La Baume-Montrevel) by King Louis XVI in favor of Claude de Choiseul-Beaupré, cousin and husband of the niece of the minister Duke of Choiseul-Stainville and Amboise above, who made Claude his adopted son and heir for the county of Stainville.