http://www.myheritage.nl/site-family-tree-136844031/beerten-gielenen
http://gw.geneanet.org/fbeerten_w
http://www.fjb.890m.com/humo-gen/
http://www.genealogieonline.nl/stamboom-beerten-gielen/
http://www.myheritage.nl/site-family-tree-136844031/beerten-gielen
http://www.beerten-fr.be/humo-gen/