Edward Stafford, 3rd Duke of Buckingham
Edward Stafford, 3rd Duke of Buckingham (3 February 1478 – 17 May 1521) was an English nobleman.
He was the son of Henry Stafford, 2nd Duke of Buckingham, and Katherine Woodville, and nephew of Elizabeth Woodville and King Edward IV.
Thus Edward Stafford was a first cousin once removed of King Henry VIII.
He was convicted of treason and executed on 17 May 1521.
Georgina Fitzalan-Howard, Duchess of Norfolk
Georgina Susan Fitzalan- Howard, Duchess of Norfolk( born 30 January 1962), is the wife of Edward William Fitzalan- Howard, 18th Duke of Norfolk.
She was born Georgina Susan Gore, the younger daughter of John Temple(" Jack") Gore( 1931- 2018) and his first wife, Serena Margaret Mounsey.
Her parents divorced in 1969.
Jack Gore was very distantly connected to the Earls Temple of Stowe and was descended from Sir John Gore, Lord Mayor of London.
Her paternal grandmother, Lady Barbara Montgomerie( 23 August 1909 – 1992), was eldest daughter of Archibald Montgomerie, 16th Earl of Eglinton, by his former wife Lady Beatrice Dalrymple, daughter of the 11th Earl of Stair.
Lord Arundel succeeded to the Dukedom of Norfolk in 2002, and Lady Arundel then became the Duchess of Norfolk.
The Duchess has stood in for Her Majesty The Queen in rehearsals for the State Opening of Parliament.
Thomas Howard, 2nd Duke of Norfolk
Thomas Howard, 2nd Duke of Norfolk( 144321 May 1524), styled Earl of Surrey from 1483 to 1485 and again from 1489 to 1514, was an English nobleman and politician.
He was the eldest son of John Howard, 1st Duke of Norfolk, by his first wife, Catharina de Moleyns.
The Duke was the grandfather of both Queen Anne Boleyn and Queen Catherine Howard and the great grandfather of Queen Elizabeth I.
He served four monarchs as a soldier and statesman.
Elizabeth Howard (d. 1658)
Elizabeth Howard( 1586 – 17 April 1658), courtier to Anne of Denmark.
Elizabeth Howard was a daughter of Thomas Howard, 1st Earl of Suffolk and Katherine Knyvett.
She was born at Audley End and baptised at Saffron Walden on 11 August 1586.
Elizabeth Stafford, Duchess of Norfolk
Lady Elizabeth Stafford ("later" Duchess of Norfolk)
(c.1497 – 30 November 1558) was the eldest daughter of Edward Stafford, 3rd Duke of Buckingham and Lady Eleanor Percy.
By marriage she became Duchess of Norfolk.
Her abusive marriage to Thomas Howard, 3rd Duke of Norfolk, created a public scandal.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Mary Howard, Duchess of Norfolk (died 1773)
Mary Howard, Duchess of Norfolk( née Mary Blount;( 1712 – 1773), was a British noblewoman after whom Norfolk Island, a small island in the Pacific Ocean, was named.
Anne de Mowbray, 8th Countess of Norfolk
Anne de Mowbray, 8th Countess of Norfolk, later Duchess of York and Duchess of Norfolk( 10 December 1472 – c. 19 November 1481) was the child bride of Richard of Shrewsbury, 1st Duke of York, one of the Princes in the Tower.
She died at the age of eight.
Anne Fitzalan-Howard, Duchess of Norfolk
Anne Mary Teresa Fitzalan- Howard, Duchess of Norfolk,(" née" Constable- Maxwell; 30 August 1927 – 8 April 2013) was a British peeress and humanitarian.
Lavinia Fitzalan-Howard, Duchess of Norfolk
Lavinia
Mary Fitzalan- Howard, Duchess of Norfolk LG CBE(" née" Strutt; 22 March 1916 – 10 December 1995) was a British noblewoman.

Question: Who is the paternal grandfather of Elizabeth Stafford, Duchess Of Norfolk?
Answer: Henry Stafford, 2nd Duke of Buckingham