About: http://webisa.webdatacommons.org/436425852

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	They haven???t provided details (although in one case it says ???is your brother-in-law???) but it seems highly unlikely that they would provide examples of people who are supposed to be kin but where this isn???t stated explicitly.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com