Marie Joseph Charles, 6th Duke d'Ursel
Charles Joseph Marie, 6th Duke d' Ursel( Brussels, July 3, 1848 – Strombeek- Bever, November 15, 1903), was a Belgian politician.
Charles-Joseph, 4th Duke d'Ursel
Charles- Joseph, 4th Duke d' Ursel and of Hoboken, Prince of Arches and Charleville and Count of Grobbendoncq( 9 August 1777 in Brussels – 27 September 1860 in Hingene) was a statesman and minister in the United Kingdom of the Netherlands and later Belgium.
Henri, 8th Duke d'Ursel
Henri Charles Francis Joseph Marie, 8th Duke d' Ursel( Henri, 8th Duke d' Ursel)( 18 November 1900 – Uccle 31 May 1974) was a Belgian film director and writer.
Henri d' Ursel was known for his surrealist style, directing the film" La Perle" early in his career.
Charles Lennox, 4th Duke of Richmond
Charles Lennox, 4th Duke of Richmond, 4th Duke of Lennox, 4th Duke of Aubigny,( 9 December 176428 August 1819) was a Scottish peer, soldier, politician, and Governor General of British North America.
Robert, 7th Duke d'Ursel
Robert- Marie -Léon 7th Duke d' Ursel( 1873- 1955) was a Belgian politician.
Joseph, 4th Prince Kinsky of Wchinitz and Tettau
Joseph, 4th Prince Kinsky of Wchinitz and Tettau( 12 January 175111 August 1798) was the 4th Prince Kinsky of Wchinitz and Tettau.
Archduke Charles Joseph of Austria
Charles Joseph( 7 August 1649 – 27 January 1664) was an Archduke of Austria and Grand Master of the Teutonic Knights( 1662 – 64).
He was also the bishop of Olmütz, and Breslau, Passau.
Charles Joseph was born in Vienna as the son of Ferdinand III, Holy Roman Emperor and his first cousin, Maria Leopoldine of Austria.
His mother died shortly after giving birth to him.
Charles Joseph, himself, died in his early teens in Linz.
Joseph de Ferraris
Joseph Jean François, count de Ferraris( April 20, 1726 in Lunéville – April 1, 1814 in Vienna) was an Austrian general and cartographer.
He married to the daughter of Charles, 2nd Duke d'Ursel.
Charles, 2nd Duke d'Ursel
Charles Elisabeth Conrard, 2nd Duke d' Ursel and of Hoboken, Prince of Arches and Charleville and Count of Grobbendoncq( 1717 – 1775) was a Belgian Duke.
He succeeded his father and became the second Duke of Ursel in 1738.
He was the First Prince of Arche and Charleville of the Ursel Branche, titles inherited by his mother Princess zu Salm.
He made career at the imperial court in Vienna, was Imperial Lord Chamberlain and Field Marshall.
He was made knight of the Golden Fleece in 1771.
Philip Dalton
Lt. Philip Dalton (1 April 1903 - 25 July 1941) was a United States military scientist, pilot and engineer.
Dalton is best known for his invention of several slide-rule analog flight computers, the most famous being the E6B.

Question: Did Philip Dalton and Charles-Joseph, 4th Duke d'Ursel share the same nationality?
Answer: no