About: http://webisa.webdatacommons.org/223553745

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	Yes, Marie Jelsma was the oldest sister, her mother was a De Young and a sister to my father, Peter Cornelius Jelsma, who died January 1950.
http://www.w3.org/ns/prov#wasQuotedFrom	ancestry.com