Jaap Blokker was born in 1942.
Jaap Blokker died in 2011.
Jan Blokker was born in 1927.
Beppie Blokker was born in c. 1912.
IJf Blokker was born on September 2, 1930, in Den Helder, Noord-Holland, Netherlands.
Jaap Van der Poll was born on June 19, 1889, in Amsterdam, Noord-Holland, Netherlands.
Jaap Valkhoff was born in 1910.
Jaap Krijtenburg was born in 1969.
Jaap Stockmann was born in 1984.
Jaap Boot was born in 1903.
Jaap Burger was born in 1904.
Jaap Boersma was born in 1929.
Jaap Bulder was born in 1896.