Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Abhinay Muthoo
Abhinay Muthoo is the Dean of" Warwick in London", a role which will enhance the University of Warwick's presence in the capital.
He is also the Co- Director of the Warwick Policy Lab and a Professor of Economics in the Department of Economics, University of Warwick.
He became the Dean of Warwick in London on 1 August 2016, after eight years as the Head of the Department of Economics at the University of Warwick.
Cecily Neville, Duchess of Warwick
Cecily Neville, Duchess of Warwick, Countess of Worcester( c.1425 – 26 July 1450) was a daughter of Richard Neville, 5th Earl of Salisbury and Alice Montacute, 5th Countess of Salisbury.
Her siblings included Richard Neville, 16th Earl of Warwick; John Neville, 1st Marquess of Montagu; George Neville,( Archbishop of York and Chancellor of England); Katherine Neville, Baroness Hastings; and Alice Neville, Baroness FitzHugh.
She was most likely named after her paternal aunt, Cecily Neville, Duchess of York.
Her first cousins included Anne of York, Duchess of Exeter; Edmund, Earl of Rutland; Elizabeth of York, Duchess of Suffolk; Margaret of York; George Plantagenet, 1st Duke of Clarence; and Kings Edward IV and Richard III.
She first married Henry de Beauchamp, 1st Duke of Warwick, and the only King of the Isle of Wight( as well as of Jersey and Guernsey).
Their only daughter was Lady Anne Beauchamp, who was allowed to succeed as" suo jure" 15th Countess of Warwick.
Upon the death of the 15th Countess, the title was inherited by her paternal aunt, also named Lady Anne.
Lady
Anne married Cecily's brother, Richard Neville, who would become" jure uxoris" 16th Earl of Warwick.
Her second husband was John Tiptoft, 1st Earl of Worcester.
They had no children.
She is buried with her first husband, the Duke of Warwick, in Tewkesbury Abbey.
Anne Beauchamp, 15th Countess of Warwick
Anne Beauchamp, 15th Countess of Warwick( 14 February 1444 – 3 June 1449) was the only child and heiress of the English nobleman Henry Beauchamp, Duke of Warwick.
She died a child aged 5, after which the earldom of Warwick was inherited by her paternal aunt.
The title then passed by marriage to Anne's maternal uncle, Richard Neville, the famous' Kingmaker' of the later Wars of the Roses.
Anne Russell, Countess of Warwick
Anne Dudley( née Russell), Countess of Warwick( 1548/ 1549 – 9 February 1604) was an English noblewoman, and a lady- in- waiting and close friend of Elizabeth I.
She was the third wife of Ambrose Dudley, 3rd Earl of Warwick.
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.
John Fitzgeoffrey
John FitzGeoffrey, Lord of Shere and Justiciar of Ireland (1205?
in Shere, Surrey, England – 23 November 1258) was an English nobleman.
John Fitz Geoffrey was the son of Geoffrey Fitz Peter, 1st Earl of Essex and Aveline de Clare, daughter of Roger de Clare, 2nd Earl of Hertford and his wife Maud de Saint-Hilaire.
He was appointed Justiciar of Ireland, serving from 1245 to 1255.
He was not entitled to succeed his half-brother as Earl of Essex in 1227, the Earldom having devolved from his father's first wife.
He was the second husband of Isabel Bigod, daughter of Hugh Bigod, 3rd Earl of Norfolk and his wife Maud Marshal of Pembroke.
They had six children, one being Maud who married William de Beauchamp, 9th Earl of Warwick.
Margaret de Beaumont, 7th Countess of Warwick
Margaret de Beaumont, 7th Countess of Warwick or Margaret de Neubourg or Margery de Newburgh( died 3 June 1253) was the daughter of Henry de Beaumont, 5th Earl of Warwick and Margaret D'Oyly.
She was the sister and heiress of Thomas de Beaumont, 6th Earl of Warwick and became the 7th Countess of Warwick in her own right.
She married firstly John Marshal( died October 1242) and, secondly, John de Plessis.
The latter was a great favourite of King Henry III of England who, in 1247, created him the 7th Earl of Warwick and subsequently Count of Warwick.
He died on 20 February 1263.
There was no issue by either of these marriages and so, at Margaret's death, the estates passed to her cousin, William Mauduit, who became the 8th Earl.
Maud FitzJohn, Countess of Warwick
Maud FitzJohn, Countess of Warwick (c. 1238 – 16/18 April 1301) was an English noblewoman and the eldest daughter of John FitzGeoffrey, Lord of Shere.
Her second husband was William de Beauchamp, 9th Earl of Warwick, a celebrated soldier.
Through her daughter, Isabella, Maud was the maternal grandmother of Hugh the younger Despenser, the unpopular favourite of King Edward II of England, who was executed in 1326.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.

Question: Who is Maud Fitzjohn, Countess Of Warwick's paternal grandfather?
Answer: Geoffrey Fitz Peter, 1st Earl of Essex