Helen Trevithick - Lloyd Trevithick

Helen Trevithick Henrietta Trevithick (1891 - 1934) Henry Trevithick Hollis Trevithick Ida Trevithick (Dec 29, 1900 - Nov 1984) Irma Trevithick (Born circa 1959) Jack Trevithick James Trevithick Jane Trevithick Jeanette Trevithick (Oct 6, 1903 - Aug 25, 2006) Jerry Trevithick

Jim Trevithick (Apr 20, 1945 - May 9, 2011) Joann Trevithick (Apr 4, 1923 - May 1972) John Trevithick Joseph Trevithick (circa 1890 - Jun 13, 1916) Juliana Miles Kathryn Trevithick (Born circa 1950) Kenneth Trevithick (Mar 14, 1916 - Jun 13, 1992) Laurence Trevithick (Jun 18, 1904 - Feb 1975) Leonard Trevithick (Dec 14, 1925 - Jan 10, 2003) Linda Trevithick (Apr 22, 1921 - Aug 3, 2010) Lloyd Trevithick (Feb 9, 1910 - Sep 14, 2002)