Over time, several members of the Vivian family were made knights, baronets and peers.
[1] Around 1800, one of his descendants, John Vivian (1750–1826) of Truro, became managing partner in the copper works at Penclawdd and Loughor owned by the Cheadle Brasswire Company of Staffordshire, and thus the first of the Vivian family to settle in Swansea.
His son John Henry Vivian (1785–1855) continued and expanded the business, eventually owning copper mining, copper smelting and trading businesses in Swansea (Vivian & Sons), Liverpool, Birmingham and London.
[6] John Vivian (1750–1826) ∞ 1774 Elizabeth Cranch (died 1816), daughter of the Rev.
A number of Vivian family graves with Celtic-style headstones can be found at the Parish Church of St Winnow, Cornwall.