About: http://webisa.webdatacommons.org/152862860

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	Unfortunately, Mary died about 13 years later from some unknown ailment, though not before the couple had three children, including two that Edison nicknamed ???Dot??? and ???Dash???, referencing his background in telegraphy.
http://www.w3.org/ns/prov#wasQuotedFrom	todayifoundout.com