All around the world, Grünspan (Grünspan , Grynszpan ) is an extremely rare unknown gender forename. Much more prevalently, Grünspan is the last name as well as the forename.
Greenspan, Greenspoon, Greenspun, Grinshpun, Gruenspan, Grunspan, Grynspan, Гринспун, and גרינספן
Michel
, Grynszpan 
) is an extremely rare unknown gender forename. Much more prevalently, Grünspan is the last name as well as the forename.