Jaap Flier was born in 1934.
Jaap Van der Poll was born on June 19, 1889, in Amsterdam, Noord-Holland, Netherlands.
Jaap Bakema was born in 1914.
Jaap Stockmann was born in 1984.
Jaap Kunst was born in 1891.
Jaap Marais was born in 1923.
Jaap Blonk was born in 1953.
Jaap Spaanderman was born in 1896.
Jaap Meijer was born in 1905.
Jaap Burger was born in 1904.
Jaap Kraaier was born in 1913.
Jaap Bulder was born in 1896.
Jaap Krijtenburg was born in 1969.