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Influential merchants from St Just in Cornwall
Pascoe Grenfell, of Marazion, was a merchant and consul to the states of Holland; married Mary, third child of William Tremenheere, attorney, of Penzance.
1761 Birth of their son, Pascoe Grenfell (1761 - 1838), in Marazion.
Pascoe went into business with his father and uncle as merchants and dealers in tin and copper ores.
Agent for the copper magnate Thomas Williams on a sales trip to France.
Married his cousin, Charlotte Granville (- d.1790). They had two sons; the younger one was Charles Pascoe Grenfell (1790–1867).
1785 Involved in the formation of the Mona Mine Co.
Pascoe Grenfell became a shareholder in Williams manufacturing business, Greenfield Copper and Brass Co
By the late 1780s Pascoe Grenfell was running Williams' new London office.
1789 joined Thomas Williams (2) in a Shetlands mining venture
1794 Pascoe Grenfell and Owen Williams went into partnership to buy Cornish ores, primarily to supply the Williams' Middle and Upper Bank smelting works in Swansea.
In partnership with his brother William at the same address as Thomas Williams' copper office until 1805
1798 Married for a second time to Georgiana St Leger ( - d.1818). They had two sons, Pascoe St Leger Grenfell (1798–1879) and Riversdale William Grenfell (1807–1871), and eleven daughters.
1802 Admitted as shareholder of Stanley smelting company
1802 Following death of Thomas Williams, Grenfell and Owen Williams took over the Swansea smelting works of the Stanley company. Pascoe Grenfell also succeeded Thomas Williams as MP for Great Marlow.
1814 Grenfell and Williams bought out the Greenfield copper mill
1823 the Grenfell, Williams and Fox partnership took over the Rose Copper Works in the Swansea valley.
1823/4 Pascoe St. Leger Grenfell withdrew from the partnership which was expanded to include Sampson Foster and Joseph T. Foster of Norwich - also see Williams, Foster and Co
1829 Establishment of Pascoe Grenfell and Sons when Owen Williams withdrew.
1830s Riversdale William Grenfell was the first member of the family to live in Swansea.
1838 Pascoe Grenfell died at 38 Belgrave Square, London.
1840s Pascoe St Leger Grenfell took over the management of the Swansea smelting works and became closely involved in local affairs.