Henk Barendregt
Hendrik Pieter( Henk) Barendregt( born 18 December 1947, Amsterdam) is a Dutch logician, known for his work in lambda calculus and type theory.
Pieter Nicolaas van Kampen
Pieter Nicolaas van Kampen( 30 June 1878, Amsterdam – 3 July 1937, Leiden) was a Dutch zoologist.
In 1904 he received his PhD from the University of Amsterdam, where he was a student and assistant to Max Carl Wilhelm Weber.
From 1905 to 1911 he was based in the Dutch East Indies, during which time, he was assigned to the Aru Islands( 1907) and participated in an expedition to Netherlands New Guinea( 1910).
In 1911 he returned to Amsterdam as a zoological assistant at the university.
From 1917 to 1931 he served as a professor at the University of Leiden.
Maria Gatou
Maria Gatou( born 16 August 1989) is a Greek sprinter.
She competed in the 60 metres event at the 2014 IAAF World Indoor Championships.
Hennie le Roux
Hendrik Pieter( Hennie) Le Roux( born 10 July 1967, in Grahamstown), is a former South African rugby union player who played for the South Africa national rugby union team.
He played as centre( 1,75 m and 78 kg).
He is the president of the players' union, which was founded in 1997.
Pieter Menten
Pieter Nicolaas Menten( May 26, 1899 – November 14, 1987) was a Dutch war criminal, businessman, and art collector.
Cathy Muller
Cathy Muller( born 21 November 1962) is a French former racing driver.
She is the older sister of racing driver Yvan Muller and the mother of racing driver Yann Ehrlacher.
Pieter Nicolaas van Eyck
Pieter Nicolaas/Nicolaus van Eyck (Breukelen, 1 October 1887 - Wassenaar, 28 April 1954)
He was born Pieter Nicolaas van Eijk and changed his name to van Eyck around 1907.
He worked as a foreign correspondent for the Dutch newspaper NRC in Rome and London, but also a poet, critic, essayist and philosopher from the Netherlands.
Awarded the Constantijn Huygens Prize in 1947.
Hendrik Pieter Koekkoek
Hendrik Pieter Koekkoek( January 13, 1843 – 1927) was a landscape painter from the Netherlands.
He was the son of Marinus Adrianus Koekkoek, who taught him to paint.
Koekkoek was born in Hilversum and between 1850- 1877 he was active in Amsterdam and the Hague.
Like other members of his family, he is known for wooded landscapes.
Jan Pontijn was his pupil.
Koekkoek died in England.
Boy Trip
Fokele Hendrik Pieter" Boy" Trip( 10 October 1921 – 26 January 1990) was a Dutch politician of the defunct Political Party of Radicals( PPR) now merged into GreenLeft( GL) and businessman.
Hendrik Pieter Nicolaas Muller
Hendrik Pieter Nicolaas Muller (2 April 1859 – 11 August 1941) was a Dutch entrepreneur, diplomat, and publicist who started his career as a businessman, trading with East and West Africa.
In his mid-twenties he travelled to Zanzibar, Mozambique, and South Africa for business purposes, but showed himself a keen ethnographer as well.
In 1896, he was first appointed consul and later consul general for the Orange Free State.
Muller held this position all through the Second Boer War and his high-profile performance as European representative for this Boer republic won him considerable notoriety.
After the Treaty of Vereeniging was signed in 1902, Muller retired to a life of travelling and writing for some years, making Muller a household name with his travel books.
In 1919, the Dutch government appointed him envoy extraordinary and minister plenipotentiary to Romania, and later to Czechoslovakia.
Muller was a prolific writer.
Over the course of his life he published well over two hundred articles, brochures, and books about his travels, South Africa and the Boers, and Dutch foreign policy.
Muller gathered a large fortune with well appointed private investments.
He bequeathed his considerable wealth to a private fund in support of academic research and cultural heritage.

Question: Are both Hendrik Pieter Nicolaas Muller and Maria Gatou from the same country?
Answer: no