John Leslie, 6th Earl of Rothes
John Leslie, 6th Earl of Rothes (1600 – 23 August 1641) was a Scottish nobleman, one of the main leaders of the Covenanters.
George Leslie, 1st Earl of Rothes
George Leslie, 1st Earl of Rothes( c. 1406/1417 – 1490) was a Scottish nobleman and the first to hold the title of" Earl of Rothes", a hereditary title of the ruler of Leslie, Fife and the lands belonging to the Earl of Rothes.
Margaret Leslie, 8th Countess of Rothes
" Not to be confused with Mariota, Countess of Ross also known as Margaret Leslie."
Margaret Leslie was born sometime before 1660.
She was the daughter of the previous earl( and also Duke) of Rothes, John Leslie, who was the 7th Earl and 1st Duke of Rothes.
On 8 October 1674 she married her cousin John Hamilton making her children thus Hamilton's.
Under the terms of her father's earldom, Hamilton took the surname of Leslie, and arranged to pass his own peerage to the second son.
She had four children, the eldest of whom was John Hamilton- Leslie who became Earl after her death in August 1700.
One of her other children would become the 6th Earl of Haddington.
Malcolm Leslie, 20th Earl of Rothes
Malcolm George Dyer- Edwardes Leslie, 20th Earl of Rothes( 1902 – 1975) was a Scottish nobleman, and the head of Clan Leslie.
He was the Earl of Rothes from 1927- 1975 following the death of his father, Norman Leslie, 19th Earl of Rothes.
His mother was Noël Leslie, Countess of Rothes, who not only survived the" Titanic" disaster, but took the till of a lifeboat and helped row survivors to the" RMS Carpathia".
His son succeeded him in 1975 as the Earl of Rothes.
On 17 July 1926, he married Beryl Dugdale, daughter of Lionel Dugdale of Crathorne, a former High Sheriff of Yorkshire, and sister of Thomas Dugdale, 1st Baron Crathorne.
They had three children:
He worked as Chairman of the National Mutual Life Assurance Society.
He succeeded as the 20th Earl of Rothes on the death of his father in 1927.
He served as a Representative Peer for Scotland until this system was abolished.
The Earl died on 7 May 1975.
The Rothes Chair in Preventive Ophthalmology was established at London University in his memory in 1977.
Jane Elizabeth Leslie, 12th Countess of Rothes
Jane Elizabeth Leslie, 12th Countess of Rothes( 5 May 1750 – 1810) was a Scottish noblewoman.
She was the daughter of John Leslie, 10th Earl of Rothes and his first wife Hannah Howard, daughter of Matthew Howard of Thorp, Norfolk, and his wife Britannia Cole.
She succeeded her brother, John Leslie, 11th Earl of Rothes, in 1773 in the peerage and estates of Rothes, and effectually vindicated her right to the estates against the claim of her uncle Andrew Leslie, both in the Court of Session and the House of Lords.
She was twice married, first in 1766, to George Raymond Evelyn, youngest son of William Evelyn Glanville of St Clere, Kent, and secondly, in 1772, to Sir Lucas Pepys, 1st Baronet, an eminent physician and uncle of the first Earl of Cottenham.
By both marriages she had issue, and dying in 1810, was succeeded by the only surviving son of her first marriage, George William, 13th Earl of Rothes.
William Leslie, 3rd Earl of Rothes
William Leslie( died 1513), 3rd Earl of Rothes, was the son of Andrew Leslie, Master of Rothes, and Marjory( also known as Elizabeth) Sinclair, daughter of William Sinclair, 1st Earl of Caithness.
He succeeded his elder brother George as Earl in 1513.
As George had tried to sell the family lands without royal permission William was trying to recover his rights, especially over the Barony centred on Ballinbreich Castle.
However, he was killed at the battle of Flodden.
William married Margaret Balfour, his heir was George Leslie, 4th Earl of Rothes.
Their other children included John Leslie of Parkhill who was captured at the battle of Solway Moss, and James Leslie, Parson of Rothes.
George Leslie, 2nd Earl of Rothes
George Leslie, 2nd Earl of Rothes( died 1513) was a Scottish peer.
He was the son of Andrew Leslie, Master of Rothes and Marjorie Sinclair( daughter of William Sinclair, 1st Earl of Caithness), and the grandson of George Leslie, 1st Earl of Rothes.
George was invested in his lands as Earl of Rothes on 25 May 1492.
In 1498 George was summoned to trial for the murder of George Leslie alias Dunlop, and failed to appear in subsequent years.
In 1509, the Leslie lands were" recognized" by James IV of Scotland.
The King took back the family's feudal title because George had tried to sell the lands without permission.
Chief amongst the lands was the title of the Barony of Ballinbreich Castle.
George died unmarried before March 1513, and was succeeded as Earl by his brother, William.
John Leslie, 11th Earl of Rothes
John Leslie( 19 October 1744 – 18 June 1773) was the 11th Earl of Rothes; he was Earl from 10 December 1767 until his death on 18 June 1773.
He was the son of the 10th Earl, who was also named John Leslie, and his first wife Hannah Howard who was the Countess of Rothes and died in 1761.
She was the daughter of Matthew Howard of Thorpe, Norfolk, and his wife Britannia Cole.
He married Jane Maitland, daughter of Captain Thomas Maitland, on 4 April 1768, but they had no children.
After his death the title passed to his sister Jane Elizabeth Leslie, 12th Countess of Rothes who was six years younger.
She defeated an attempt by her uncle Andrew Leslie to claim the title, following a lengthy lawsuit.
The 11th Earl's widow remarried Patrick Maitland, younger son of the 6th Earl of Lauderdale.
John Leslie, 1st Duke of Rothes
John Leslie (c. 163027 July 1681), son of John Leslie, 6th Earl of Rothes, was the 7th Earl of Rothes and 1st Duke of Rothes.
According to tradition, he was a descendant of Princess Beatrix, sister of King Malcolm III of Scotland.
His family had intermarried with both the Stuarts and the Bruces.
James FitzJames, 1st Duke of Berwick
James FitzJames, 1st Duke of Berwick, 1st Duke of Liria and Jérica, 1st Duke of Fitz- James( 21 August 1670 – 12 June 1734) was an Anglo- French military leader, illegitimate son of King James II of England by Arabella Churchill, sister of the 1st Duke of Marlborough.
Berwick was a successful general in the pay of Louis XIV of France.

Question: What is the date of death of John Leslie, 1St Duke Of Rothes's father?
Answer: 23 August 1641