1. | Denis Sidney TRETHOWAN was born 15 Sep 1943, Kerrier, Cornwall; died 1990. Denis married Kathryn Jane GILBERT 1970 Q2, Kerrier, Cornwall. Kathryn was born 1948, Kerrier, Cornwall; died 8 Dec 2022, Adjewednack, Trenoon Farm, Ruan Minor, Cornwall. [Group Sheet] Children: |