Jerome, 2nd Count de Salis

Jérôme de Salis, 2nd Count de Salis-Soglio (8 July 1709 – 8 August 1794) was a Fellow of the Royal Society and sometime British Resident in the Grisons. He was also known as Hieronimus, Gerolamo, Geronimo, Harry, Jerome the grandfather and Monsieur le Comte de Salis.

He was born on 8 July 1709 in Chur, capital of the Grisons, then an independent republic whose rule extended into present-day Italy, including the areas of Chiavenna and the Valtellina. He would be the only surviving son of Colonel Peter de Salis-Soglio (1675–1749), by his wife Margherita (1678–1747), daughter of Hercules de Salis-Soglio.

His father, of a distinguished family, had been a soldier in France, in the Dutch Republic and in England, where he became envoy of the Grisons Republic to the Court of St. James's during the reign of Queen Anne. There he became an Anglophile and made influential friends amongst the Hanoverians. On his return to Chur he resolved to send his son to London and Jerome De Salis became a naturalised British subject by private Act of Parliament on 24 March 1730/31.

On 7 January 1734/35, de Salis married Mary Fane (baptised 18 September 1710), eldest daughter of Charles, the first Viscount Fane. Sir Luke Schaub, Lord Harrington and Lord Cobham were among signatories of the marriage settlement. They were to have four sons: Charles (1736–1781), who died at Hieres; Peter (1738–1807), who became 3rd Count de Salis; Henry Jerome (1740–1810) and William (1741–1750).

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