Jean Joseph Mounier
Jean Joseph Mounier( 12 November 1758 – 28 January 1806) was a French politician and judge.
Karsten Wettberg
Karsten Wettberg( born 10 November 1941 in Friesack) is a former German football player and current manager of SV Seligenporten in the Regionalliga Bayern.
He is one of the most successful football managers in German amateur football.
On professional level, he coached SpVgg Unterhaching and TSV 1860 Munich in the 2.
Bundesliga.
Jean-Joseph Benjamin-Constant
Jean- Joseph Benjamin- Constant( also known as Benjamin Constant), born Jean- Joseph Constant( 10 June 1845 – 26 May 1902), was a French painter and etcher best known for his Oriental subjects and portraits.
Jean-Joseph Weerts
Jean- Joseph Weerts( 1 May 1846, Roubaix- 28 Septembre 1927, Paris) was a French painter of Belgian origin who worked in the Academic style.
Jean-Joseph Roux
Jean-Joseph Roux (Marseille, 1769 — Odessa, 1817) was a French privateer.
Jean Joseph Dussault
Jean Joseph Dussault( 1769 –1824) was a French librarian, journalist and literary critic.
Jean-Joseph Sue (1760–1830)
Jean-Joseph
Sue  or Jean-Joseph Sue (son)  was a French physician and surgeon during the Napoleonic Era.
He was the father of Eugène Sue.
Jean-Joseph Gaume
Jean- Joseph Gaume( 5 May 1802 – 19 November 1879) was a French Roman Catholic theologian and author.
Johan Joseph Faict
Jean- Joseph Faict( 22 May 1813 – 4 January 1894) was the 20th Bishop of Bruges.
Jimmy Jean-Joseph
Jimmy Jean- Joseph( born 15 October 1972 in Saint- Esprit, Martinique) is a former French athlete who specialised in the 800 meters.
Jean- Joseph competed at the 1996 Summer Olympics

Question: Did Jean-Joseph Weerts and Karsten Wettberg share the same nationality?
Answer: no