David Comyn, Lord of Kilbride
David Comyn, Lord of Kilbride was a son of William Comyn, Lord of Badenoch later the Earl of Buchan and inherited the barony of Kilbride from his wife Isobel, the daughter of William de Valognes.
He died in 1247.
Philip de Valognes
Philip de Valognes, Lord of Ringwood, Benvie and Panmure was an Anglo-Norman Scottish noble.
He was the Lord Chamberlain of Scotland between 1165-1171 and 1193-1214.
Philip was the fifth son of Roger de Valognes and Agnes filia John, came to Scotland around 1165, at the end of Malcolm IV's reign.
He was the attendant of William the Lion and was one of the hostages for his release named in the Treaty of Falaise in 1174.
Valognes was captured by William Marshal during a tournament at Le Mans, Duchy of Maine, France in 1175 and was ransomed.
He was granted the lands of Panmure, in Angus and Benvie in the Carse of Gowrie, and was appointed as Chamberlain of Scotland to William, serving from 1165-c.1171 and from c.1193-1214.
He continued in his role as Chamberlain on Alexander II's accession in 1214 and was succeeded by his son William on his death the following year.
He granted lands in Ringwood, Roxburghshire, to Melrose Abbey and an acre of land in Stinchandhaven to Coupar Angus Abbey.
He died 5 November 1215 and was interred at Melrose Abbey.
William de Courcy (died 1171)
William de Courcy (sometimes William de Curci; died 1171) was an Anglo-Norman nobleman and baron.
William was the son of William de Courcy and Avice de Rumilly, the daughter of William Meschin.
William can be considered the baron of Stogursey in Somerset, through his paternal grandmother, who was the heiress of William de Falaise.
The "head" of the barony was at Stogursey, but it also held lands in Northamptonshire, Oxfordshire, Devonshire, Wiltshire, and Essex.
The bulk of the lands, however, were in Northamptonshire and Oxfordshire.
In 1166, William owed just over 29 knight's fees for his lands from his father, plus another 17 fees for lands he inherited from his mother.
In later years, William owed scutage on 24.75 fees for Stogursey and 16.5 for his mother's lands.
He was royal steward, or dapifer.
William married Gundrada, the daughter of Reginald de Warenne.
Gundrada was the widow of Peter de Valognes.
William died in 1171.
His heir was a son, William de Courcy, who died in 1194.
The elder William also had a daughter, Alice, who was his eventual heiress, after the death of her brother.
Alice married Henry de Cornhill first and then after his death she married Warin fitzGerold.
William de Valognes
William de Valognes also known as William de Valoynes, was the only son of Philip de Valognes and was granted a charter of the baronies of Panmure and Benvie by King William the Lion, previously granted to his father.
On his father's death in 1215, William de Valongnes was made High Chamberlain to Alexander II.
He died in 1219 and was interred at Melrose Abbey.
John Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
Robert de Valognes
Robert de Valognes( died 1184), Lord of Benington was an English noble.
Peter Maule
Sir Peter Maule( died 1254) was the eldest son of Richard Maule of Fowlis.
He married Christina de Valognes, daughter and heiress of William de Valognes around 1224, passing the baronies of Panmure and Benvie into the Maule family.
Peter Maule is thought to have built Panmure Castle around 1224.
Panmure Castle was the ancestral home of the Maule family until it was replaced by Panmure House in the 17th century, although it was destroyed by Andrew Murray during the Second War of Scottish Independence in 1336.
He left two sons, Sir William Maule, his successor, and Sir Thomas Maule, who was killed in the siege of Brechin castle in 1303, during the First War of Scottish Independence.
William de Grey
William de Grey( 21 October
1652- 27 February 1687) of Merton Hall, Norfolk was an East Anglian landowner and Tory Member of Parliament.
He was the grandfather of his namesake William de Grey, 1st Baron Walsingham.
Eva de Braose
Eva de Braose( fl. 1238 – July 1255) was one of the four co-heiresses of William de Braose.
She was the wife of William de Cantilupe who, as a result of his marriage, acquired significant land holdings in both England and Wales.
Christina de Valognes
Christina de Valognes( d. 1256), was a Scottish noble.
She was the daughter and heiress of William de Valognes, Baron of Panmure and Benvie, and High Chamberlain of Scotland.
She married Sir Peter Maule of Fowlis around 1224, uniting the two Anglo- Norman families, and with him had two sons, Sir William Maule, the successor of the baronies of Panmure and Benvie, and Sir Thomas Maule, captain of Brechin Castle, who was killed in a siege led by Edward I in August 1303, during the First War of Scottish Independence.

Question: Who is William De Valognes's paternal grandfather?
Answer: Roger de Valognes