Robert Jocelyn, 4th Earl of Roden
Robert Jocelyn, 4th Earl of Roden (22 November 1846 – 10 January 1880), styled The Honourable Robert Jocelyn until 1854 and Viscount Jocelyn from 1854 to 1870, was an Anglo-Irish Conservative politician.
Roden was the eldest son of Robert Jocelyn, Viscount Jocelyn, eldest son of Robert Jocelyn, 3rd Earl of Roden.
His mother was Lady Frances Elizabeth Clavering-Cowper, daughter of Peter Clavering-Cowper, 5th Earl Cowper.
He was educated at Eton College and Trinity College, Cambridge, graduating B.A. in 1868.
He gained the courtesy title of Viscount Jocelyn on his father's death in 1854.
By 1876, as reported in his Vanity Fair Caricature text he had already retired from the Life Guards.
Jocelyn succeeded his grandfather in the earldom in 1870.
In 1874 he was appointed a Lord-in-waiting (government whip in the House of Lords) in the second Conservative administration of Benjamin Disraeli, a post he held until 1880.
Lord Roden died in office in January 1880, aged only 33.
He was unmarried and was succeeded in the earldom by his uncle, the Honourable John Strange Jocelyn, 5th Earl of Roden.
Richard Wingfield, 5th Viscount Powerscourt
Richard Wingfield, 5th Viscount Powerscourt( 11 September 1790 – 9 August 1823) was an Anglo- Irish peer.
He was the son of Richard Wingfield, 4th Viscount Powerscourt and Lady Catherine Meade, daughter of John Meade, 1st Earl of Clanwilliam.
On 19 July 1809 he succeeded to his father's titles in the Peerage of Ireland.
In 1821, he was elected as an Irish representative peer and took his seat in the House of Lords.
In August 1821 Powerscourt hosted George IV at his family home, Powerscourt House, in County Wicklow.
His time in the Lords was ended by his premature death in 1823.
Powerscourt married twice; firstly to Lady Frances Theodosia Jocelyn, daughter of Robert Jocelyn, 2nd Earl of Roden and Frances Theodosia Bligh, on 6 February 1813.
Following his first wife's death he married Theodosia Howard, daughter of Hon. Hugh Howard and Catherine Bligh, in August 1822.
He was succeeded in his titles by his son, Richard.
Robert Jocelyn, 2nd Earl of Roden
Robert Jocelyn, 2nd Earl of Roden KP, PC (Ire) (26 October 1756 – 29 June 1820) was an Irish peer, soldier and politician.
He was styled The Honourable from his birth to 1771, and then Viscount Jocelyn from 1771 to 1797.
He was the eldest son of the 1st Earl of Roden and Lady Anne Hamilton, daughter of James Hamilton, 1st Earl of Clanbrassil.
He was a professional soldier, and the company of dragoons he commanded, nicknamed "the Foxhunters", gained much notoriety during the Irish Rebellion of 1798.
In particular they played a leading role in the Gibbet Rath massacre at the Curragh of Kildare on 29 May 1798, where 350–500 insurgents, who had surrendered, were killed in cold blood.
In defence of Roden it can be said that he acted on the orders of his superior officer, General Duff, and that the action was widely condoned at the time.
In September his dragoons played a crucial part in the final defeat of the invading French army at the Battle of Ballinamuck: Lord Roden accepted the surrender of General Humbert.
He became Earl of Roden in 1797 after the death of his father Robert Jocelyn, 1st Earl of Roden and was appointed a Knight of the Order of St Patrick on 13 November 1806.
Jocelyn represented Maryborough in the Irish House of Commons between 1776 and 1778.
Between 1783 and 1797, he sat as Member of Parliament for Dundalk.
He turned down a Marquisate due to the lack of his fortune which was needed to uphold this position.
He was appointed Custos Rotulorum of Louth for life in 1820.
John Strange Jocelyn, 5th Earl of Roden
John Strange Jocelyn, 5th Earl of Roden,( born Tollymore Park House, Bryansford, County Down, 5 June 1823- died London, England, 3 July 1897) was an Anglo- Irish soldier and representative peer.
He was the son of Robert Jocelyn, 3rd Earl of Roden, and inherited the title after the death of his nephew Robert Jocelyn, 4th Earl of Roden in 1880.
Jocelyn was educated at Harrow.
A lieutenant colonel in the Scots Guards, Jocelyn served in the Crimean War, being present at the battles of Alma, Balaclava, and Inkerman.
He later commanded the 2nd Jäger Corps, British German Legion.
He received the French Legion of Honour and the Turkish Order of the Medjidie.
He held the office of Deputy Lieutenant of County Down.
He sat in the House of Lords as Baron Clanbrassil, a title his father had obtained in 1821, from 1880 until his death, although he made no contributions there.
At his death the title of Baron Clanbrassil went extinct; the Roden earldom passed to his first cousin William Henry Jocelyn( 1842- 1910).
The Jocelyns were large landowners, principally in County Down and County Louth.
Jocelyn married Sophia Hobhouse( 1832- 1916) in 1851; they had one daughter, Violet Jocelyn( 1858- 1925).
He is buried in Great St. Mary's church in Sawbridgeworth, Hertfordshire.
There is a pencil drawing of Jocelyn in the National Portrait Gallery by Frank Sargent.
Ralph Neville, 3rd Earl of Westmorland
Ralph Neville, 3rd Earl of Westmorland( c. 1456 – 6 February 1499) was an English peer.
He was the grandfather of Ralph Neville, 4th Earl of Westmorland.
Robert Jocelyn, 1st Earl of Roden
Robert Jocelyn, 1st Earl of Roden (baptised 31 July 1731 – 21 June 1797) was an Irish peer and politician.
He was the only son of Robert Jocelyn, 1st Viscount Jocelyn and his first wife Charlotte Anderson.
He was MP for Old Leighlin from 1743 to 1756 and Auditor-General of the Exchequer from 1750 until his death.
He succeeded to the peerage on the death of his father 3 December 1756, and on 1 December 1771 he was created Earl of Roden, of High Roding in County Tipperary.
On the death of his cousin, Sir Conyers Jocelyn, 4th Bt, of Hyde Hall, Hertford, he succeeded to the baronetcy.
Robert Jocelyn, 3rd Earl of Roden
Robert Jocelyn, 3rd Earl of Roden,( 27 October 1788 – 20 March 1870), styled Viscount Jocelyn between 1797 and 1820, was an Irish Tory politician and supporter of Protestant causes.
Mervyn Wingfield, 7th Viscount Powerscourt
Mervyn Edward Wingfield, 7th Viscount Powerscourt (13 October 1836 – 5 June 1904) was an Irish peer.
He became Viscount Powerscourt in 1844 on the death of his father Richard Wingfield, 6th Viscount Powerscourt.
Through this Wingfield line he was a maternal descendant of the Noble House of Stratford.
His mother was Lady Elizabeth Frances Charlotte, daughter of Robert Jocelyn, 3rd Earl of Roden.
On 26 April 1864, Wingfield married Lady Julia Coke, the daughter of Thomas Coke, 2nd Earl of Leicester.
They had five children:
Powerscourt was appointed a Knight of the Order of St Patrick on 2 August 1871.
He was created Baron Powerscourt in the Peerage of the United Kingdom in 1885, enabling him to sit in the House of Lords.
Thomas Bruce, 2nd Earl of Ailesbury
Thomas Bruce, 2nd Earl of Ailesbury( later styled Aylesbury) and 3rd Earl of Elgin( 1656 – 16 December 1741) was an English politician and memoirist.
He was the son of Robert Bruce, 2nd Earl of Elgin, and Lady Diana Grey.
His maternal grandparents were Henry Grey, 1st Earl of Stamford, and Lady Anne Cecil, daughter of William Cecil, 2nd Earl of Exeter.
His" Memoirs", which were not published until long after his death, are a valuable source for English history in the last quarter of the seventeenth century.
Gilbert Talbot, 3rd Baron Talbot
Gilbert Talbot, 3rd Baron Talbot( c. 1332–1387) was an English nobleman and soldier.
He was the grandfather of John Talbot, 1st Earl of Shrewsbury.

Question: Who is the paternal grandfather of Robert Jocelyn, 2Nd Earl Of Roden?
Answer: Robert Jocelyn, 1st Viscount Jocelyn