John Manners, 4th Earl of Rutland
John Manners, 4th Earl of Rutland( c. 1559 – 24 February 1588) was the son of Henry Manners, 2nd Earl of Rutland, and Lady Margaret Neville, daughter of Ralph Neville, 4th Earl of Westmorland.
Charles Stuart, 6th Earl of Moray
Charles Stuart, 6th Earl of Moray( bef. 1683 – 7 October 1735) was the son of Alexander Stuart, 5th Earl of Moray and his wife, Emilia Balfour.
He acceded to his father's titles in 1701 and died in 1735.
He was succeeded by his brother, Francis.
James Stuart, 3rd Earl of Moray
James Stuart, 3rd Earl of Moray (1581 – 6 August 1638) was the son of James Stewart, 2nd Earl of Moray and Elizabeth Stuart, 2nd Countess of Moray.
He married Lady Anne Gordon, daughter of George Gordon, 1st Marquess of Huntly and Lady Henrietta Stuart, on 2 October 1607 (contract).
He inherited the title Earl of Moray when his father was murdered by his future father-in-law in 1592.
He was responsible for completing Castle Stuart on the banks of the Moray Firth.
He died in 1638 and his title passed to his son, James.
His daughter Lady Henrietta Stuart married in 1662 Sir Hugh Campbell of Cawdor, elder (?
- 11 March 1716), Knighted in 1660, and had issue.
Mary Campbell, Countess of Argyll
Mary Campbell, Countess of Argyll( 1628 – May 1668), formerly Lady Mary Stuart( or Stewart), was the wife of Archibald Campbell, 9th Earl of Argyll.
Lady Mary was born at Darnaway Castle, Elginshire, a daughter of James Stuart, 4th Earl of Moray, and his wife, the former Lady Margaret Home.
On 13 May 1650, she married the future earl, then known as Lord Lorne, at Canongate, Edinburgh.
Their children were:
In 1663, Lord Lorne regained the title and estates which his father had lost when he was convicted of treason and executed in 1661.
Lorne became Earl of Argyll, and his wife became countess.
The countess's death left her husband in despair, as his private letters testify.
Her uncle, John Maitland, 1st Earl of Lauderdale, also recorded his distress and that of his wife.
Two years after her death, the earl married Anna Mackenzie.
In 1685 he was executed for instigating a rising against King James VII of Scotland on behalf of the Protestant claimant James, Duke of Monmouth.
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.
James Stuart, 2nd Earl of Bute
James Stuart, 2nd Earl of Bute( before 1696 – 28 January 1723) was the son of James Stuart, 1st Earl of Bute and Agnes Mackenzie.
James Stuart, 8th Earl of Moray
James Stuart, 8th Earl of Moray KT( 1708 – 5 July 1767) was the son of Francis Stuart, 7th Earl of Moray.
In 1741, he was elected as one of the 16 Scottish Representative peers who sat in the post- 1707 British House of Lords, a position he retained until his death.
Francis Stuart, 10th Earl of Moray
Francis Stuart, 10th Earl of Moray KT (2 February 1771 – 12 January 1848) was the son of Francis Stuart, 9th Earl of Moray.
James Stuart, 4th Earl of Moray
James Stuart, 4th Earl of Moray (c. 1611 – 4 March 1653) was the son of James Stuart, 3rd Earl of Moray and Lady Anne Gordon.
He married Lady Margaret Home, daughter of Alexander Home, 1st Earl of Home and Mary Dudley, on 18 October 1627 (contract).
The couple had eight children:
The Earl and Countess refurbished their house at Donibristle and installed a fountain with a bronze figure of Mercury.
The Countess lived as a widow till 1683, she maintained Moray House in Edinburgh and its gardens, and planted woods at Donibristle.
Thomas Randolph, 2nd Earl of Moray
Thomas Randolph, 2nd Earl of Moray( died 11 August 1332), a Scottish military commander, held his title for just 23 days.
The son of Thomas Randolph, 1st Earl of Moray, a companion- in- arms of King Robert the Bruce, he succeeded his father on 20 July 1332.
Thomas, 2nd Earl of Moray had a chief command under the Earl of Mar ranged against the army of Edward Balliol at the Battle of Dupplin Moor, where he was killed.
He died childless.

Question: Who is James Stuart, 4Th Earl Of Moray's paternal grandfather?
Answer: James Stewart, 2nd Earl of Moray