About: http://webisa.webdatacommons.org/248169779

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	It is not easy to state who was Jadwiga's heir in line of Poland, or Poland's rightful heir, since Poland had not used primogeniture, but kings had ascended by some sort of election.
http://www.w3.org/ns/prov#wasQuotedFrom	geni.com