Joseph G. De Paul
Joseph G. De Paul is a Brigadier General in the Pennsylvania Army National Guard.
Peter J. De Muth
Peter Joseph De Muth( January 1, 1892 – April 3, 1993) was a Democratic member of the U.S. House of Representatives from Pennsylvania.
James Harvey Rogers
James Harvey Rogers was Yale University Sterling Professor of Economics from 1931 until his death in 1939.
He served as an adviser to President Franklin D. Roosevelt on monetary economics from 1933 – 1934.
He was a student of Irving Fisher and Vilfredo Pareto and is considered Fisher's closest disciple and a proto-Keynesian.
Lakshman Joseph de Saram
Lakshman Joseph de Saram is a film composer and classical musician.
Born in Colombo, Sri Lanka and educated at the Royal College, Colombo, the High School of Performing Arts, Manhattan School of Music and Juilliard Pre-College in New York City, Joseph de Saram is influential in the music of South Asian art cinema, having scored many international award- winning films like' Between Two Worlds' and' Akasa Kusum.'
His best- known score is to the 2012 film" Bel Ami".
Joseph de Saram is also artistic director of The Chamber Music Society of Colombo.
Joseph de Saram has been awarded with four Signis Awards for outstanding original score for a feature film, for" Mille Soya" in 2005," Machan" in 2008," Matha" in 2013, and" Sulanga Gini Aran" in 2018.
Leon Winiarski
Leon Winiarski( 1865–1915) was a Polish sociologist.
Pupil of Vilfredo Pareto and later Professor of Sociology at the University of Geneva.
Chrétien-Louis-Joseph de Guignes
Chrétien- Louis- Joseph de Guignes( 1759 – 1845) was a French merchant- trader, ambassador and scholar, born in Paris.
He was the son of French academician and sinologue, Joseph de Guignes.
He learned Chinese from his father, and then traveled to China where he stayed for the next 17 years and returned to France in 1801.
Joseph de Jouvancy
Joseph de Jouvancy( also Jouvency; Latinised Josephus Juvencius)( 14 September 1643 – 29 May 1719 Rome) was a French poet, pedagogue, philologist, and historian.
Graziella Pareto
Graziella Pareto( 15 May 1889 – 1 September 1973) was a Catalan soprano leggiero, one of the leading sopranos of the inter-war years.
She is considered one of the great coloratura sopranos of the" Spanish School" of the early 20th century, alongside Maria Barrientos, Maria Galvany and Mercedes Capsir.
Joseph de Toro
Joseph de Toro was mayor of Ponce, Puerto Rico, starting in 1710.
Gaetano Mosca
Gaetano Mosca (1 April 1858 – 8 November 1941) was an Italian political scientist, journalist and public servant.
He is credited with developing the elite theory and the doctrine of the political class and is one of the three members constituting the Italian school of elitism together with Vilfredo Pareto and Robert Michels.

Question: Were Graziella Pareto and Joseph De Jouvancy of the same nationality?
Answer: no