About: http://webisa.webdatacommons.org/250131563

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	His parents were Poles; his father was a state official and his mother a capable amateur singer, their house being a recognized musical centre.
http://www.w3.org/ns/prov#wasQuotedFrom	astrotheme.com