Family tree▼
http://www.dekrantvantoen.nl/vw/article.do?code=FEA&date=19890817&id=FEA-19890817-010002001
http://www.dekrantvantoen.nl/vw/article.do?code=FEA&date=19890817&id=FEA-19890817-010002009
http://www.dekrantvantoen.nl/vw/article.do?code=FEA&date=19890817&id=FEA-19890817-010002007
http://www.graftombe.nl/names/info/298670/hamstra