Question: Who is the paternal grandfather of George De Salis?

Knowledge 1: George De Salis
George Fane De Salis (1851 – 30 December 1931) was an Australian politician.He was born on Darbalara Station near Gundagai to pastoralist Leopold Fane De Salis and Charlotte Macdonald.He received a private education and then farmed at Tharwa and Michelago.On 28 February 1878 he married Mary Galliard-Smith, with whom he had eight children.He was elected to the New South Wales Legislative Assembly for Queanbeyan in 1882, but did not re-contest in 1885.De Salis died at Michelago in 1931. [SEP] Knowledge 2: Leopold Fane De Salis
Leopold Fabius Dietegen Fane de Salis, (26 April 1816 – 20 November 1898) was a Tuscan-born Australian pastoralist and politician.Born in Florence to Jerome, 4th Count de Salis-Soglio and Henrietta Foster, he attended Eton College and studied sheep farming at Jedburgh in Scotland.In 1840 he migrated to Sydney, where he formed a partnership to run a station at Junee.In the same decade, in 1842, 1844 and 1848, his highly capable next elder brother William also sailed to Australia.They did much business together.In 1844 he married Charlotte Macdonald, with whom he had four children, two of whom(George and Leopold) would later become politicians themselves.In 1855 he sold out and bought the Cuppacumbalong station at Tharwa, later purchasing further property on the Murrumbidgee River.In 1864 he was elected to the New South Wales Legislative Assembly for Queanbeyan, but he did not re-contest in 1869.In 1872 he was appointed to the New South Wales Legislative Council.Around this time he also acquired property in Queensland, all of which he lost in the 1890s depression.His daughter Nina married William Farrer in 1882 and they lived at Lambrigg, Tharwa, a property given them by De Salis.In 1898 he left the Council bankrupt with significant debts.He died at Tharwa later that year.
Knowledge 1: Leopold Fane De Salis
Leopold Fabius Dietegen Fane de Salis, (26 April 1816 – 20 November 1898) was a Tuscan-born Australian pastoralist and politician.Born in Florence to Jerome, 4th Count de Salis-Soglio and Henrietta Foster, he attended Eton College and studied sheep farming at Jedburgh in Scotland.In 1840 he migrated to Sydney, where he formed a partnership to run a station at Junee.In the same decade, in 1842, 1844 and 1848, his highly capable next elder brother William also sailed to Australia.They did much business together.In 1844 he married Charlotte Macdonald, with whom he had four children, two of whom(George and Leopold) would later become politicians themselves.In 1855 he sold out and bought the Cuppacumbalong station at Tharwa, later purchasing further property on the Murrumbidgee River.In 1864 he was elected to the New South Wales Legislative Assembly for Queanbeyan, but he did not re-contest in 1869.In 1872 he was appointed to the New South Wales Legislative Council.Around this time he also acquired property in Queensland, all of which he lost in the 1890s depression.His daughter Nina married William Farrer in 1882 and they lived at Lambrigg, Tharwa, a property given them by De Salis.In 1898 he left the Council bankrupt with significant debts.He died at Tharwa later that year. [SEP] Knowledge 2: John Francis Charles, 7th Count de Salis-Soglio
Sir John Francis Charles de Salis, 7th Count de Salis (19 July 1864 – 14 January 1939) was a British diplomat and landowner.
Knowledge 1: Leopold Fane De Salis
Leopold Fabius Dietegen Fane de Salis, (26 April 1816 – 20 November 1898) was a Tuscan-born Australian pastoralist and politician.Born in Florence to Jerome, 4th Count de Salis-Soglio and Henrietta Foster, he attended Eton College and studied sheep farming at Jedburgh in Scotland.In 1840 he migrated to Sydney, where he formed a partnership to run a station at Junee.In the same decade, in 1842, 1844 and 1848, his highly capable next elder brother William also sailed to Australia.They did much business together.In 1844 he married Charlotte Macdonald, with whom he had four children, two of whom(George and Leopold) would later become politicians themselves.In 1855 he sold out and bought the Cuppacumbalong station at Tharwa, later purchasing further property on the Murrumbidgee River.In 1864 he was elected to the New South Wales Legislative Assembly for Queanbeyan, but he did not re-contest in 1869.In 1872 he was appointed to the New South Wales Legislative Council.Around this time he also acquired property in Queensland, all of which he lost in the 1890s depression.His daughter Nina married William Farrer in 1882 and they lived at Lambrigg, Tharwa, a property given them by De Salis.In 1898 he left the Council bankrupt with significant debts.He died at Tharwa later that year. [SEP] Knowledge 2: William Andrew Salius Fane de Salis
William Andreas Salius Fane de Salis (27 October 1812 – 3 August 1896) was a businessman, colonialist, and barrister.De Salis was the third son of Jerome, 4th Count de Salis-Soglio (d. 1836), by his third wife, Henrietta Foster (d. 1856).Peter John Fane, Count de Salis was an elder half-brother.William Foster Stawell was a first cousin, and the poet Lord De Tabley was a nephew.Colonel Bisse-Challoner was a brother-in-law.General Rodolph de Salis was an elder brother and the Rev. Henry Jerome de Saliswas his youngest brother and Rodolph, Cecil and Charles were nephews.Born in St. Marylebone, Westminster, brought up in County Louth he was educated at Eton (1824–27); Heidelberg University (1828–29); and Oriel College, Oxford (1830–1834, Classics, 4th class).He was called to the Bar, 30 January 1836; and was at 3 Brick Court, Inner Temple, by 1840.He was appointed a revising barrister for Northamptonshire (1839), Nottingham and East Retford.

Answer: Jerome, 4th Count de Salis-Soglio