Jean-François de Galaup, comte de Lapérouse
Jean François de Galaup, comte de Lapérouse( variant spelling of his name comte" de La Pérouse"; 23 August 17411788?) was a French Naval officer and explorer whose expedition vanished in Oceania.
Charles de Rémusat
Charles François Marie, Comte de Rémusat (13 March 1797 – 6 June 1875), was a French politician and writer.
Bernard Germain de Lacépède
Bernard- Germain- Étienne de La Ville- sur- Illon, comte de Lacépède or La Cépède( 26 December 17566 October 1825) was a French naturalist and an active freemason.
He is known for his contribution to the Comte de Buffon's great work, the" Histoire Naturelle".
Jean-Baptiste Budes, Comte de Guébriant
Jean -Baptiste Budes, comte de Guébriant( 1602 – 17 November 1643) was marshal of France.
Louis Phélypeaux, comte de Pontchartrain
Louis Phélypeaux (29 March 1643 – 22 December 1727), marquis de Phélypeaux (1667), comte de Maurepas (1687), comte de Pontchartrain (1699), known as the chancellor de Pontchartrain, was a French politician.
Charles Cousin-Montauban, Comte de Palikao
Charles Guillaume Marie Appollinaire Antoine Cousin-Montauban, 1er Comte de Palikao (1796–1878) was a French general and statesman.
Smaragda Karydi
Smaragda Karydi( Greek:) is a Greek TV and stage actress.
She came into prominence playing the role of Dahlia in the TV series Sto Para Pente and later the TV series" Fila ton vatraho sou"( Frog or not) co-starring with Τhodoris Atheridis.
John de Foix, 1st Earl of Kendal
Jean de Foix (born after 1410 – Castelnau-de-Médoc, 1485) was the Captal de Buch, first Earl of Kendal (Gallicised into Comte de Candalle), Vicomte de Castillon, Meilles and Comte de Benauges.
Antoine III de Gramont
Antoine III Agénor de Gramont, Duke of Gramont," comte de Guiche, comte de Gramont, comte de Louvigny, Souverain de Bidache",( 1604, Chateau d' Hagetmau – 12 July 1678, Bayonne) was a French military man and diplomat.
Marshal of France from 1641; Viceroy of Navarre and Béarn, and Governor of Bayonne.
Louis Philippe, comte de Ségur
Louis Philippe, comte de Ségur( 10 December 175327 August 1830) was a French diplomat and historian.

Question: Do Charles Cousin-Montauban, Comte De Palikao and Smaragda Karydi share the same nationality?
Answer: no