Roy Trefethen - William Trefethen

Roy Trefethen Ruby Trefethen (Aug 24, 1952 - Jul 12, 1993) Russell Trefethen (May 30, 1934 - May 16, 2012) Ruth Trefethen Sara Trefethen (Sep 15, 1913 - Dec 27, 1994) Scott Trefethen (Born c. 1960) Shirley Trefethen Steven Trefethen (Sep 12, 1949 - Mar 28, 2000) Swend Trefethen (May 13, 1927 - Feb 11, 2010) Thelma Trefethen (Feb 13, 1903 - Apr 1977)

Theresa Trefethen (Feb 20, 1909 - Oct 1981) Theron Trefethen (Jun 8, 1912 - Jun 1992) Tracy Trefethen (Aug 23, 1968 - Apr 23, 2009) Valerie Trefethen (Jul 5, 1960 - Oct 30, 1998) Van Trefethen (Apr 18, 1914 - Jun 1983) Vernon Trefethen (Apr 22, 1901 - May 1984) Victor Trefethen (Jul 26, 1919 - May 9, 1999) Wallace Trefethen (Feb 5, 1906 - Mar 1969) Wendell Trefethen (Oct 11, 1951 - Mar 27, 2007) William Trefethen