Jaap Barendregt died on 1952-02-16.
Jaap Barendregt was born on 1905-01-10.
Henk Barendregt was born in 1947.
Jaap Boot died in 1986.
Jaap Valkhoff died in 1992.
Jaap Kunst died in 1960.
Jaap Boersma died in 2012.
Jaap Burger died in 1986.
Jaap Kraaier died in 2004.
Jaap Bulder died in 1979.
Jaap Bakema died in 1981.
Jaap Spaanderman died in 1985.
Jaap Blokker died in 2011.