 
| Type | Valeur | 
|---|---|
| Titre | William Helgot in the Web: Netherlands, GenealogieOnline Trees Index, 1000-2015 | 
| Personnes | 
|---|
|  Lord WILLIAM Helgot | 
| Ancestry.com. Web: Netherlands, GenealogieOnline Trees Index, 1000-2015 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014. Original data: GenealogieOnline. Coret Genealogie. http://www.genealogieonline.nl/en/: accessed 31 August 2015. |