Krafsur was born to Jacob and Selia Krafsur on Januray 10, 1913 in Boston, Massachusetts. His father had been married previously and was left a widow before marrying Selia. The family name was originally Krapin. His father was working as a tailor in Boston in 1930. His father was born in Poland and his mother in Russia; they were ethnic Jews who spoke Yiddish.
+
Krafsur was born to Jacob and Selia Krafsur on January 10, 1913 in [[Boston]], [[Massachusetts]]. His father had been married previously and was left a widow before marrying Selia. The family name was originally Krapin. His father was working as a tailor in Boston in 1930. His father was born in Poland and his mother in Russia; they were ethnic Jews who spoke Yiddish.