Humphrey de Bohun, 2nd Earl of Hereford
Humphrey( IV) de Bohun( 1204 – 24 September 1275) was 2nd Earl of Hereford and 1st Earl of Essex, as well as Constable of England.
He was the son of Henry de Bohun, 1st Earl of Hereford, and Maud FitzGeoffrey.
Francis Norris, 1st Earl of Berkshire
Francis Norris, 1st Earl of Berkshire (6 July 1579 – 31 January 1622) was an English nobleman with the title of Earl of Berkshire.
He was the son of Captain Sir William Norreys (d. 1579) and Elizabeth Morison, daughter of Sir Richard Morrison of Cassiobury, Hertfordshire, and was born at Wytham in Berkshire (now Oxfordshire).
He married Bridget de Vere, although they later separated.
The marriage gave Norris access to Bridget's uncle Sir Robert Cecil who was at the heart of Elizabethan government.
Their only issue was Elizabeth Norris.
He held the titles Baron Norris of Rycote, 1st Viscount Thame and 1st Earl of Berkshire.
He was sent to Fleet Prison after attacking Lord Scrope in front of the House of Lords.
He shot himself with a crossbow on 29 January 1622 and died two days later on 31 January.
His estates and titles became forfeit to the crown.
His daughter was later given his baronetcy.
His illegitimate son Francis was knighted and appointed High Sheriff of Oxfordshire in 1636.
He was buried at Dorchester, Oxfordshire.
Robert Stewart, 1st Earl of March
Robert Stewart, 1st Earl of Lennox then 1st Earl of March( c. 152229 March 1586) was a Scottish nobleman of the family of Stewart of Darnley.
Henry Howard, 11th Earl of Suffolk
Henry Bowes Howard, 11th Earl of Suffolk, 4th Earl of Berkshire( 1686 – 21 March 1757) was an English peer.
He was the son of Craven Howard and Mary Bowes.
He married his full cousin Catherine Graham, daughter of Colonel James Grahme and Dorothy Howard( Dorothy and Craven were full siblings, both being children of William Howard, son of Thomas Howard, 1st Earl of Berkshire), on 5 March 1708/ 9.
They had nine children:
On 12 April 1706, he succeeded his great- uncle, Thomas, as Earl of Berkshire.
After the death of Henry Howard, 6th Earl of Suffolk in 1718, he was appointed Deputy Earl Marshal, an office he held until 1725.
In 1745, he succeeded a distant cousin as Earl of Suffolk, and became Recorder of Lichfield in 1755.
His son William having been killed in a chaise accident in the previous year, he was succeeded on his death in 1757 by his grandson Henry.
Thomas Howard, 1st Earl of Berkshire
Thomas Howard, 1st Earl of Berkshire (8 October 1587 – 16 July 1669) was an English politician who sat in the House of Commons between 1605 and 1622.
He was created Earl of Berkshire in 1626.
James Hay, 2nd Earl of Carlisle
James Hay, 2nd Earl of Carlisle( 1612 – 30 October 1660) was the Earl of Carlisle( 2nd Creation), succeeding James Hay, 1st Earl of Carlisle.
Hay was the second son of the 1st Earl, a Scottish nobleman, and his wife Honoria, heir to Edward Denny, 1st Earl of Norwich.
James Hay was Colonel of a Regiment of Foot in Germany, and was appointed Knight of the Order of the Bath.
In 1632 he married Margaret Russell, third daughter of Francis Russell, 4th Earl of Bedford.
In 1639 he inherited the Carlisle Islands, later called Barbados.
Between 1642 and 1646 he was a Royalist Colonel of a Regiment of Horse.
He lived mainly in Barbados but returned in 1652.
He died without issue on 30 October 1660.
At his death, the peerage became extinct in the Hay family.
Bridget de Vere, Countess of Berkshire
Bridget de Vere, Countess of Berkshire (6 April 1584 – December 1630/March 1631) was an English noblewoman, the daughter of Edward de Vere, 17th Earl of Oxford.
Bridget was brought up by her maternal grandfather, the powerful statesman William Cecil, 1st Baron Burghley.
She was also styled Lady Norris of Rycote and Viscountess Thame.
She married Francis Norris, 1st Earl of Berkshire; however, the marriage was not a success, and they separated in 1606.
William Norreys (Berkshire MP)
Sir William Norreys (1552 – 25 December 1579) was an English soldier and courtier of the Tudor period.
Thomas Reynolds-Moreton, 1st Earl of Ducie
Thomas Reynolds- Moreton, 1st Earl of Ducie( 31 August 1776 – 22 June 1840) was the first Earl of Ducie.
He was the son of Francis Reynolds- Moreton, 3rd Baron Ducie and Mary Provis. and was educated at Eton College and Exeter College, Oxford.
He succeeded to the title of 4th Baron Ducie of Tortworth on 19 August 1808.
He was elected a Fellow of the Royal Society in 1814.
He was created 1st Earl of Ducie on 28 January 1837.
He married Lady Frances Herbert, daughter of Henry Herbert, 1st Earl of Carnarvon, and Lady Elizabeth Alicia Maria Wyndham on 6 December 1797.
Their son Henry succeeded to the earldom.
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: What is the date of death of Francis Norris, 1St Earl Of Berkshire's father?
Answer: 25 December 1579