Carel de Vogelaer
Karel van Vogelaer or Carel de Vogelaer, nicknamed Distelbloem(" Thistle flower")
( 1653- 8 August 1695) was a still life painter from Maastricht primarily active in Italy where he was known as"' Carlo dei Fior" i'.
He made a name with his elaborate Baroque flower pieces often with figures painted in by other artists.
Hendrik de Iongh
Hendrik de Iongh( 4 August 1877 – 9 August 1962) was a Dutch fencer.
He won a bronze medal in the team sabre event at the 1912 Summer Olympics.
Adele du Plooy
Adele du Plooy( born 11 October 1980) is a South African sabre fencer.
Du Plooy represented South Africa at the 2008 Summer Olympics in Beijing, where she competed in two sabre events.
For her first event, the women's individual sabre, du Plooy lost the first preliminary match to Ukraine's Halyna Pundyk, with a score of 7–15.
Few days later, she joined with her fellow fencers and teammates Shelley Gosher, Elvira Wood and Jyoti Chetty, for the women's team sabre.
Du Plooy and her team, however, lost the seventh place match to the Canadian team( led by Sandra Sassine), with a total score of 16 touches.
Johnny du Plooy
Johnny du Plooy( 27 September 1964 – 12 April 2013) was a former South African heavyweight boxer best known for his win over former WBA World Heavyweight champion Mike Weaver.
He challenged once for the WBO World Heavyweight title in 1989.
Leus du Plooy
Jacobus Leus du Plooy( born 12 January 1995) is a South African first- class cricketer.
He was included in the Free State squad for the 2016 Africa T20 Cup.
In August 2017, he was named in Benoni Zalmi's squad for the first season of the T20 Global League.
However, in October 2017, Cricket South Africa initially postponed the tournament until November 2018, with it being cancelled soon after.
In September 2018, he was named in Northerns' squad for the 2018 Africa T20 Cup.
He was the leading run-scorer for Northerns in the tournament, with 145 runs in four matches.
He was also the leading run-scorer in the 2018 – 19 CSA Provincial One- Day Challenge, with 593 runs in eleven matches, and the leading run-scorer for Northerns in the 2018 – 19 CSA 3- Day Provincial Cup, with 647 runs in eleven matches.
In April 2019, Du Plooy signed a two- year contract to play county cricket in England, joining Derbyshire as a Kolpak player.
Pierre Coetzer
Pierre Coetzer( born 6 December 1961) is a former heavyweight boxer from Pretoria, South Africa.
Coetzer's most notable fights include those against Johnny du Plooy, Riddick Bowe, Frank Bruno and George Foreman.
Carel de Iongh
Carel de Iongh (6 October 1883 – 2 June 1964) was a Dutch sports shooter.
He competed in two events at the 1924 Summer Olympics.
Annette Van Zyl
Annette Van Zyl( born 25 September 1943 in Pretoria), also known by her married name as Annette du Plooy, is a South African former tennis player.
She was ranked in the top ten female players during the mid 1960s, and in 1966 she won the French Open Mixed Doubles title with Frew McMillan, defeating Ann Haydon- Jones and Clark Graebner in three sets.
Carel de Vos van Steenwijk
Carel de Vos van Steenwijk( 11 March 1759 – 2 January 1830) was a Dutch politician and diplomat.
Carel de Moor
Carel de Moor (25 February 1655 – 16 February 1738) was a Dutch Golden Age etcher and painter.
He was a pupil of Gerard Dou.

Question: Are Carel De Iongh and Leus Du Plooy from the same country?
Answer: no