Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
John Blackwood (publisher)
John Blackwood FRSE( 1818–1879) was a Scottish publisher, sixth son of William Blackwood.
John succeeded his father as editor of the business in 1834, on William's death.
Four years later he was joined by Major William Blackwood, who continued in the firm until his death in 1861.
Five of William Blackwood's seven sons played a role in the running of the company, William Blackwood and Sons.
Richard Martin (footballer, born 1987)
Richard William Martin( born 1 September 1987) is an English former footballer who played as a goalkeeper.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Richard Ker (MP)
Richard William Blackwood Ker (1850 – 19 June 1942) was an Irish landowner and MP.
He was the son of David Stewart Ker and his wife, Anna Dorothea Blackwood.
He was a captain in the 1st Royal Dragoons.
He inherited his father's estates of Montalto, Ballynahinch and Portavo on the death of his elder brother, David Alfred Ker.
He was appointed Sheriff of County Down for 1880-81 and was the Member of Parliament for County Down, 1884–1885 and for East Down, 1885–1890.
He has been described as 'a substantial landowner from Ballynahinch.'
He married Edith Louisa, the daughter of William Rose of Warwickshire and had at least one son, who was an officer in the army.
William Blackwood
William Blackwood( 20 November 1776 – 16 September 1834) was a Scottish publisher who founded the firm of William Blackwood and Sons.
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.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Richard Barraclough
Richard William Barraclough( born 6 March 1943) is a retired British wrestler.
David Stewart Ker
David Stewart Ker (1816 – 8 October 1878) was an Irish landowner and politician.
He was a son of David Guardi Ker, MP for Athlone 1820-1826 and Downpatrick 1835-1841, and Selina Sarah, daughter of the first Marquess of Londonderry, and the elder brother of Richard Ker, Member of Parliament for Downpatrick, 1847-1851 and 1857-1859.
He was a member of the landed gentry, inheriting estates at Montalto, Ballynahinch and Portavo on his father's death in 1844.
He served as a magistrate, deputy lieutenant and High Sheriff of County Down for 1852 and High Sheriff of Antrim for 1857.
He was elected the Member of Parliament for Downpatrick, 1841-1847 and 1859-1867 and for County Down, 1852-1857.
He married twice: firstly Anna Dorothea, the daughter of Hans Blackwood, 3rd Baron Dufferin and Claneboye with whom he had 12 children and secondly Caroline Persse from Galway (who ran off with his son Charley).
He was buried in Magheradrool Church of Ireland graveyard and succeeded by his eldest son, Alfred David Ker.
After his death the estates passed to another son, Richard Ker.

Question: Who is Richard Ker (Mp)'s paternal grandfather?