About: http://webisa.webdatacommons.org/81201908

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So whether William is a son of James I do not know, as William was born before James and Jane married.
http://www.w3.org/ns/prov#wasQuotedFrom	ancestry.com