J. Arthur Hill
John Arthur Hill( 4 December 1872 – 22 March 1951), best known as J. Arthur Hill, was a British psychical researcher and writer.
Robert Hampden-Trevor, 1st Viscount Hampden
Robert Hampden- Trevor, 1st Viscount Hampden( 17 February 1706 – 22 August 1783) was a British diplomat at The Hague and then joint Postmaster General.
Arthur Hill-Trevor, 3rd Viscount Dungannon
Arthur Hill Trevor( 1798 –1862), of Whittlebury, Northamptonshire, was an English Conservative Party politician.
He was born in affluent Berkeley Square, London, on 9 November 1798 and was the only surviving son of Arthur Hill- Trevor, second Viscount( 1763 – 1837), by Charlotte, third daughter of Charles FitzRoy, first Baron Southampton.
He became a Member of Parliament( MP) for the New Romney in 1830 – 11 March 1831, for Durham City in 1831 – 1832, and for Durham in 1835 – 1841 and 5 April 1843 – 14 July 1843.
Arthur Hill-Trevor, 1st Viscount Dungannon
Arthur Hill-Trevor, 1st Viscount Dungannon (1694 – 30 January 1771), was an Irish politician.
Born Arthur Hill, he adopted the surname Hill-Trevor in 1759.
He was the second son of Michael Hill of Hillsborough, M.P. and Privy Councillor, and Anne Trevor.
His maternal grandfather was the leading seventeenth-century statesman Sir John Trevor.
Arthur's elder brother was Trevor Hill.
1st
Viscount Hillsborough, father of the 1st Marquess of Downshire.
He represented Hillsborough in the Irish House of Commons from November 1715 and then County Down from 1727 until he was raised to the Irish House of Lords when created Viscount Dungannon and Baron Hill of Olderfleet in the Peerage of Ireland on 17 February 1766.
He was appointed High Sheriff of Down for 1736 and appointed to the Privy Council of Ireland on 13 August 1750.
Michael Hill (1672–1699)
Michael Hill (7 August 1672 – 1699) was a politician in England and Ireland.
Marcus Trevor, 1st Viscount Dungannon
Marcus Trevor, 1st Viscount Dungannon (1618 – 3 January 1669/70), also known as Colonel Mark Trevor, was an Anglo-Irish soldier and peer.
During the English Civil War and the Interregnum he switched sides several times between the Royalist and Parliamentary forces.
Under King Charles II he was a significant force in Ulster and in 1662 was created the first Viscount Dungannon.
Edwin Hill-Trevor, 1st Baron Trevor
Arthur Edwin Hill- Trevor, 1st Baron Trevor( 4 November 1819 – 25 December 1894), styled as Lord Edwin Hill until 1862 and as Lord Edwin Hill- Trevor from 1862 to 1890, was a long- standing Anglo- Irish Conservative Member of Parliament.
Hill- Trevor was the third son of Arthur Hill, 3rd Marquess of Downshire, and his wife Lady Maria( née Windsor).
He was elected to the House of Commons for County Down in 1845, a seat he held for the next 35 years.
In 1862, on the death of their kinsman Arthur Hill- Trevor, 3rd Viscount Dungannon( on whose death the viscountcy became extinct) this branch of the Hill family succeeded to the Trevor and Dungannon estates.
By arrangement parts of the estates, including Brynkinalt in Wales, passed to Lord Edwin, who assumed by Royal licence the additional surname of Trevor.
In 1880 he was raised to the peerage as Baron Trevor, of Brynkinalt in the County of Denbigh.
As Lord Edwin Hill- Trevor, Lord Trevor was a Captain in the North Shropshire Yeomanry Cavalry, promoted Major in 1862, but retired from the regiment prior to its amalgamation into the unified Shropshire Yeomanry regiment in 1872.
Lord Trevor married, firstly, Mary Emily, daughter of Sir Richard Sutton, 2nd Baronet, in 1848.
After her death in 1855 he married, secondly, the Hon. Mary Catherine, daughter of Reverend the Hon. Alfred Curzon, in 1858.
Trevor died in December 1894, aged 75, and was succeeded in the barony by his son from his first marriage, Arthur.
Lady
Trevor died in 1912.
St John Brodrick (died 1728)
The Honourable St John Brodrick (c. 1685 – 21 February 1728), was an Anglo-Irish politician who sat in the Irish House of Commons from 1709 to 1728 and in the British House of Commons from 1721 to 1727.
Brodrick was son of Alan Brodrick, 1st Viscount Midleton and brother of Alan Brodrick, 2nd Viscount Midleton; his mother was Catherine Barry of Rathcormac.
Broderick represented Castlemartyr in the Irish House of Commons from 1709 to 1713, the City of Cork from 1713 to 1715 and then the County of Cork from 1715 to his death.
On 9 June 1724 he was appointed to the Irish Privy Council.
He was also returned as Member of Parliament for Bere Alston on petition on 6 June 1721 after a by-election and returned unopposed at the 1722 general election.
By his wife Anne Hill, daughter of Michael Hill of Hillsborough and sister of Trevor Hill, 1st Viscount Hillsborough and Arthur Hill-Trevor, 1st Viscount Dungannon, he had at least four daughters.
One, Anne, married James Jefferyes of Blarney Castle, son of Sir James Jeffreys and father of James St John Jeffreyes.
Another, Mary, married Sir John Redmond Freke, 3rd Baronet.
Charles Powell Leslie (1731–1800)
The first Charles Powell Leslie( 1731 – 1800), known also as Charles Powell Leslie I, was the son of Robert and Frances( née Rogerson) Leslie.
He was member of the Irish Parliament for Hillsborough( 1771 – 1776) and Monaghan County( 1783 – 1800).
In 1765 he married Prudence Penelope, daughter of Arthur Hill- Trevor, 1st Viscount Dungannon, with whom he had two sons, Charles Powell( II) and John.
In 1785 he married Mary Anne( née Tench) with whom he had one son.
John Redmond Freke
Sir John Redmond Freke, 3rd Baronet( died 13 April 1764) was a baronet in the Baronetage of Great Britain and a Member of Parliament in the Irish House of Commons.
He was the younger son of Sir Ralph Freke, 1st Baronet, by his wife Elizabeth, the daughter of Sir John Meade, 1st Baronet.
Elizabeth Meade's mother was Elizabeth Redman, the daughter and co-heir of Colonel Daniel Redman of Ballylinch, County Kilkenny.
John Redmond
Freke succeeded to the baronetcy bestowed on his father on 10 April 1728, on the death of his elder brother Percy, the second baronet.
He was M.P. for Baltimore( a constituency previously represented by his grandfather Percy Freke) from 1728 until 1760, and for the city of Cork from 1761 until his death.
He was Sheriff of Cork in 1750, and Mayor of Cork in 1753.
He married Mary Brodrick, the fourth daughter and co-heir of the Hon. St John Brodrick( died 1728), by Anne Hill, the sister of Trevor Hill, 1st Viscount Hillsborough, and Arthur Hill- Trevor, 1st Viscount Dungannon.
She died at Castle Freke, County Cork, on 20 June 1761, and was buried at Midleton, County Cork.
He died without issue on 13 April 1764, and the baronetcy became extinct.
His estate was inherited by his sister Grace, who had married Hon. John Evans, a younger son of George Evans, 1st Baron Carbery.

Question: When was Arthur Hill-Trevor, 1St Viscount Dungannon's father born?
Answer: 7 August 1672