About: http://webisa.webdatacommons.org/40704558

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	In some circles there is a story that only the Rappaport family has any chazakah of actually being Kohanim, and all other Kohanim are safek (in doubt) of actually being a Kohen or not.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com