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]
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2. | Steven George TRETHOWAN (1.Denis1) |
3. | Kathryn Pamela TRETHOWAN (1.Denis1) |