About: http://webisa.webdatacommons.org/416862961

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	prohibited any owner from freeing a slave except upon condition that the
http://www.w3.org/ns/prov#wasQuotedFrom	ancestry.com