PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fred was a widower whose wife Mathilda had died in July 1916, so he and Jenny probably married between 1916-1920.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ancestry.com