About: http://webisa.webdatacommons.org/432402736

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	Extended families, including grandparents and other relatives, were most numerous in the mid-19th century.
http://www.w3.org/ns/prov#wasQuotedFrom	countriesquest.com