About: http://webisa.webdatacommons.org/77029330

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	From what I see, the ability to have a loyal animal companion that could be anything including a snake, crow, mouse, owl, cat, etc. fits the familiar concept.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com