Jan van Buken
Jan van Buken or Jan van Beucken( 10 March 1635 – 6 February 1690) was a Flemish painter mainly known for his genre paintings and still lifes.
Gerrit Jan van Heuven Goedhart
Gerrit Jan van Heuven Goedhart( 19 March 1901 – 8 July 1956) was a Dutch politician and diplomat of the Labour Party( PvdA) and journalist.
He served as first United Nations High Commissioner for Refugees from 1 January 1951 until 8 July 1956.
Jan van Steffeswert
Jan van Steffeswert or alternatively Jan van Steffenswert or Jan van Stevensweert( c. 1460 – c. 1531) was an Early Netherlandish sculptor and wood carver based in Maastricht.
Contrary to the customs of the time, he signed at least some of the works he produced, using variously" Jan Bieldesnider Jan van Weerd" or" Jan van Steffeswert".
To date, fourteen works have been positively identified as his ..
Jan van Beers (artist)
Jean Marie Constantin Joseph "Jan" van Beers (27 March 1852 – 17 November 1927) was a Belgian painter and illustrator, the son of the poet Jan van Beers.
They are sometimes referred to as "Jan van Beers the elder" and "Jan van Beers the younger".
In 1884, Jan Van Beers produced the pen-and-ink sketches for the "edition de luxe" of his father's poetry.
Gerrit Jan Michaëlis
Gerrit Jan Michaëlis( 1775, Amsterdam – 1857, Haarlem), was an 18th- century painter from the Northern Netherlands.
Gerrit Jan van Ingen Schenau
Gerrit Jan van Ingen Schenau( 13 September 1944, Leiden – 2 April 1998, Weteringbrug) was a Dutch biomechanist.
He made large contributions to the field of biomechanics, particularly muscle coordination, energetics of movement, and the functions of biarticular muscles.
He focused on speed skating in particular, and played a significant part in the invention of the clap skate.
He died of cancer in 1998.
Jan van der Merwe (athlete)
Jan van der Merwe( born 16 March 1983) is a South African sprinter.
Jan van Elseracq
Jan van Elseracq, also known as Jan van Eserack, was a merchant/ trader and official of the Dutch East India Company(" Vereenigde Oost- Indische Compagnie" or VOC).
Rita Steblin
Rita Katherine Steblin( April 22, 1951 – September 3, 2019) was a musicologist, specializing in archival work combining music history, iconography and genealogical research.
Steblin was born in Chilliwack, British Columbia, Canada; she died in Vienna, Austria.
After obtaining degrees in Vancouver, Toronto and Urbana, Illinois, and studying at the University of Music and Performing Arts Vienna, Steblin worked in Canada( mainly in Vancouver) and since 1991 in Vienna first at the and then as an independent researcher on Ludwig van Beethoven, Franz Schubert and social life in late eighteenth and early nineteenth- century in Austria( including Hungary and Bohemia).
Cornelis Gijsbert Gerrit Jan van Steenis
Cornelis Gijsbert Gerrit Jan van Steenis( 31 October 1901 – 14 May 1986) was a Dutch botanist.
Van Steenis wrote many publications on the flora of the Maritime Southeast Asia region, among others about taxonomy and plant geography.
Besides his expeditions in the Malay region, he also traveled in Australia and New Zealand.

Question: Were Gerrit Jan Van Heuven Goedhart and Rita Steblin of the same nationality?
Answer: no