Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Matilda of Brabant, Countess of Holland
Mathilde (c. 1200 – 22 December 1267) was the fourth child and daughter of Mathilde of Flanders and Henry I, Duke of Brabant.
She married Henry II, Count Palatine of the Rhine (
died 1214) in Aachen in 1212 and later married Floris IV, Count of Holland on 6 December 1224.
Otto III van Holland
Otto van Holland( died 27 March 1249) was a bishop of Utrecht from 1233 to 1249.
Otto was the second son of William I, Count of Holland and his first wife Adelaide of Guelders.
He was elected as bishop in 1233, but because of resistance from the canons of Utrecht, his consecration was delayed until 1245.
He emerged as a forceful ruler who involved himself primarily in secular affairs.
After the death of his brother Floris IV, Count of Holland in 1234, he became guardian of Floris' son William II, Count of Holland, and he governed the County of Holland.
He resolved the problems in Drenthe, problems which had cost his predecessor Otto II of Lippe his life.
He also subjected the lords of Goor to his authority.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Napoléon Louis Bonaparte
Napoléon- Louis Bonaparte( 11 October 1804 – 17 March 1831), also known as Louis II of Holland, was the King of Holland, reigning for less than two weeks in 1810.
A son of Louis Bonaparte( Louis I of Holland) and Hortense de Beauharnais, his father was the younger brother of Napoléon I and reigned as King of Holland from 1806 to 1810, while his mother was the daughter of Josephine de Beauharnais, Napoléon's first wife.
He was the older brother of Louis Napoleon Bonaparte, future Emperor Napoleon III.
Lutgardis of Luxemburg
Lutgardis of Luxembourg, also known as Liutgardis, Liutgarde and Lutgard,( 955 – ca. 1005 or possibly later) was a countess consort of Holland by marriage to Arnulf, Count of Holland.
She was the regent of Holland from 993 until 1005 during the minority of her son Dirk III of Holland.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Adelaide of Holland
Adelaide of Holland (– buried 9 April 1284), Countess of Hainaut, was a Dutch regent.
She was a daughter of Floris IV, Count of Holland and Matilda of Brabant.
She was also a sister of William II, Count of Holland and King of Germany.
She acted as regent for her nephew Count Floris V during his minority.
Adelaide of Rheinfelden
Adelaide of Rheinfelden( or Adelaide of Swabia)( 1060s – May 1090), was Queen Consort of Hungary by marriage to King Ladislaus I of Hungary.

Question: Who is Adelaide Of Holland's maternal grandfather?
Answer: Henry I