Lady Sybil Grant
Lady Sybil Myra Caroline Grant ("née" Primrose; 18 September 1879 – 25 February 1955) was a British writer and artist.
She was the eldest child of Archibald Primrose, 5th Earl of Rosebery and his wife Hannah de Rothschild.
Apart from her artistic work, in later life she became notable as an eccentric.
Archibald Primrose, Lord Carrington
Sir Archibald Primrose,
1st Baronet, Lord Carrington (16 May 1616 – 27 November 1679) was a notable Scottish lawyer, judge, and Cavalier.
The eldest son of James Primrose (d.1641), Writer (solicitor) by his second (or third) wife Catherine, daughter of Richard Lawson of Boghall
, he succeeded his father, who had held the office for
upwards of forty years, as Clerk to the Privy Council on 2 September 1641.
Following the victory of Kilsyth he joined Montrose, was taken prisoner at Philiphaugh on 13 September 1645.
He was tried by the Parliament of St. Andrews the following year, and being found guilty of treason only saved his life through the intercession of the Marquess of Argyll.
Following his release at the end of 1646, he was knighted by King Charles I.
Subsequently, he joined Charles II and was made a Baronet, of Carrington in the County of Selkirk, dated 1 August 1651, at Woodhouse, during the march to Worcester.
As a consequence of his loyalty to the Crown his estate was sequestrated and his debtors prohibited from paying what they owed to him.
He was also deprived of his office by the Act of Classes, the decree against him being sealed on 10 March 1649.
Upon the repeal of this Act, and having given testimony of the satisfaction afforded by him to The Church, he was declared capable again of office on 10 January 1651, and was appointed Clerk to the Committee of Estates on 6 June following.
At the Restoration he was appointed Lord Clerk Register by Letters Patent dated 7 August 1660, and on 14 February 1661 was nominated a Lord of Session with the judicial title Lord Carrington.
At the same time he was appointed a Lord of Exchequer, and a Privy Counsellor.
He was the principal author of the Rescissory Act 1661, which ended Presbyterianism until the Act of 1690 re-established it again.
The enmity of the Duke of Lauderdale forced him to resign as Lord of Exchequer and Lord Clerk Register on 11 June 1676, in exchange for the far less lucrative one of Lord Justice General.
He was deprived of this office in 1678.
Primrose died in November 1679, and was buried within Dalmeny church.
He and his father between them had served the Crown successively for a hundred years all but one.
He was succeeded in the baronetcy by his eldest son William, whose son James was created Viscount of Primrose in 1703.
Primrose's fourth son and namesake Archibald was created Earl of Rosebery in 1703 and was the ancestor of among others
Prime Minister Archibald Primrose, 5th Earl of Rosebery.
Harry Primrose, 6th Earl of Rosebery
Albert Edward Harry Meyer Archibald Primrose, 6th Earl of Rosebery, 2nd Earl of Midlothian,( 8 January 1882 – 31 May 1974), styled Lord Dalmeny until 1929, was a British liberal politician who briefly served as Secretary of State for Scotland in 1945.
He was the Member of Parliament for Midlothian from 1906 to 1910.
He became the Earl of Rosebery and Midlothian in 1929 and was thus a member of the House of Lords until his death.
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.
Archibald Primrose, 1st Earl of Rosebery
Archibald Primrose, 1st Earl of Rosebery (1664–1723) was a Scottish politician.
Son of Sir Archibald Primrose, Lord Carrington, he was a Commissioner to the Parliament of Scotland for Edinburgh county from 1695.
He was created Viscount Rosebery (in the Peerage of Scotland) in 1700.
He was created Earl of Rosebery on the accession of Queen Anne in 1703.
He was a Commissioner for union with England and was a Scottish representative peer in 1707, 1708, 1710 and 1713.
His third daughter, Dorothea Primrose, lived at Blackfriars Wynd in Edinburgh to care for her aunt (the Earl's sister)
the widow of the executed Lord Lovat.
Archibald Primrose, 4th Earl of Rosebery
Archibald John Primrose, 4th Earl of Rosebery, KT, PC, FRS( 14 October 1783 – 4 March 1868), styled Viscount Primrose until 1814, was a British politician.
He was the eldest son of Neil Primrose, 3rd Earl of Rosebery, and his second wife, Mary Vincent.
Primrose was educated at Pembroke College, Cambridge, gaining his MA in 1804.
He was Member of Parliament for Helston from 1805 to 1806 and Cashel from 1806 to 1807.
He succeeded to the earldom in 1814, and was created Baron Rosebery, of Rosebery in the County of Edinburgh, in the Peerage of the United Kingdom, in 1828.
He was appointed a Privy Counsellor in 1831 and a Knight of the Thistle in 1840.
He was a Fellow of the Royal Society.
He was the grandfather of Archibald Primrose, 5th Earl of Rosebery, who served as Prime Minister of the United Kingdom from 1894 to 1895.
Neil Primrose, 7th Earl of Rosebery
Neil Archibald Primrose, 7th Earl of Rosebery and 3rd Earl of Midlothian( born 11 February 1929), styled Lord Primrose between 1931 and 1974, is a Scottish nobleman.
He was a member of the House of Lords from 1974 to 1999.
His son and heir is Harry Primrose, Lord Dalmeny.
Mary Innes-Ker, Duchess of Roxburghe
Mary Innes- Ker, Duchess of Roxburghe( 23 March 1915 – 2 July 2014), previously Lady Mary Evelyn Hungerford Crewe- Milnes, was a daughter of Robert Crewe- Milnes, 1st Marquess of Crewe, by his marriage to Lady Margaret Etienne Hannah( Peggy) Primrose,( Lady Crewe), one of the first seven women appointed as magistrates in 1919 following the passing of the Sex Disqualification( Removal) Act 1919.
Her maternal grandparents were Hannah Primrose, Countess of Rosebery, and Archibald Primrose, 5th Earl of Rosebery.
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.
Patrick Ruthven, 1st Earl of Forth
Patrick Ruthven, 1st Earl of Forth and 1st Earl of Brentford( c. 1573 – 2 February 1651) was a Scottish nobleman, general, and diplomat.

Question: Who is the paternal grandfather of Archibald Primrose, 1St Earl Of Rosebery?
Answer: James Primrose