Surname Janszoon (رايس , 扬松 , Янсон ) , in the entire world, is quite a rare last name. The cognomen Janszoon is habitual in Algeria, where it is quite a rare surname, Kazakhstan, and Morocco. In absolute terms, it is commonest in Russia, Algeria, and Morocco. Also, Janszoon is the forename as well as the last name.
|lucas janszoon waghenaer Dutch cartographer, NL (b. 1534)|
|jan janszoon Barbary pirate of Dutch descent, NL (b. 1570)|
|pieter smits janszoon politician, NL (b. 1714)|
|abraham van stolk janszoon (1762-1819), NL (b. 1762)|