Jacob was the son of John Newton Esterline (May 13, 1893 - ?) and Elisabeth Showers (17 May 1894 - Feb 1970). He enrolled at Temple University as an accounting major in 1938.
Jacob is a descendant of John Newton Esterline (born May 13, 1893 - ?) and Elisabeth Showers (May 17, 1894 - February 1970). He started his academic career in accounting at Temple University in 1938.