In 1814 Thomasine Tregoning was co-executor and a beneficiary of her husband's will, receiving an annuity of £18 during her widowhood.
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Thomasine Tregoning of Camborne died aged 83 years (burial record).
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At Camborne, on the 15th instant, after a short illness, which she bore with Christian resignation, aged 83 years, Thomasine, relect of Capt. John Tregoning, formerly of Pool, Illogan.
The West Briton and Cornwall Advertiser, Friday, 26 Feb 1841, p. 3
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Administration of the goods, chattels and credits of Thomasine Tregoning late of Camborne, widow, who died intestate, was granted to Hercules* Tregoning of the parish of Wendron, yeoman, and Mary Tregoning of the parish of Camborne, spinster, son and daughter of the said deceased, on 15 Jun 1841. Effects sworn under £50. 2
* Also referred to as Archelaus.