About: http://webisa.webdatacommons.org/346664749

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	Also in 1938 he married Natalya Ilyina who, like his two brothers and father, was a medical doctor; they had two children, a son and a daughter, who both became mathematical economists.
http://www.w3.org/ns/prov#wasQuotedFrom	st-and.ac.uk