What is "geelen"

Geelen is a surname. Notable people with this name:

• Guido Geelen (born 1961), Dutch sculptor, furniture designer and ceramist
• Harrie Geelen (born 1939) Dutch illustrator, film director, animator, translator, writer and poet.
• Jim Geelen, Professor at the University of Waterloo
• Pie Geelen (born 1972), former freestyle swimmer from the Netherlands