Jeanne of Bar, Countess of Marle and Soissons
Jeanne de Bar, suo jure Countess of Marle and Soissons, Dame d'Oisy, Viscountess of Meaux, and Countess of Saint-Pol, of Brienne, de Ligny, and Conversano (1415 – 14 May 1462) was a noble French heiress and Sovereign Countess.
She was the only child of Robert of Bar, Count of Marle and Soissons, Sire d'Oisy, who was killed at the Battle of Agincourt when she was a baby, leaving her the sole heiress to his titles and estates.
In 1430, at the age of fifteen, Jeanne was one of the three women placed in charge of Joan of Arc when the latter was a prisoner in the castle of John II of Luxembourg, Count of Ligny, Jeanne's stepfather.
She was the first wife of Louis of Luxembourg, Count of Saint-Pol, of Brienne, de Ligny, and Conversano, Constable of France.
From their marriage descended Mary, Queen of Scots, King Henry IV of France and the subsequent Bourbon kings of France.
Henry II, Lord of Ligny
Henry II of Luxembourg( died 1303) was Lord of Ligny from 1288 to his death in 1303.
He inherited the Lordship of Ligny from his father in 1288 following his death in the Battle of Worringen.
Following Henry's death, his brother Waleran II succeeded him.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Charles I, Count of Ligny
Charles I, Count of Ligny( 1488–1530) was a son of Anthony I, Count of Ligny and his second wife, Françoise van Croÿe- Chimay.
In 1519, he succeeded his father as Count of Brienne and Count of Ligny.
He was imprisoned after buying a copy of William Byrd's" Gradualia" on the basis of Catholic tensions[ needs editing: William Byrd was born in 1539 or 1540].
In 1510, he married Charlotte of Estouteville; they had the following children:
Anthony II, Count of Ligny
Anthony II, Count of Ligny( d. 8 February 1557) was a son of Count Charles I and his wife Charlotte of Estouteville.
In 1530, he succeeded his father as count of Ligny and Brienne.
In 1535, he married Margaret, a daughter of René of Savoy, Count of Villars.
They had the following children:
Anthony I, Count of Oldenburg
Anthony I, Count of Oldenburg and Delmenhorst( 1505 – 22 January 1573, Oldenburg) was a member of the House of Oldenburg and was the Imperial Count of the Counties of Oldenburg and Delmenhorst within the Holy Roman Empire of German Nation.
His parents were John V, Count of Oldenburg( 1460- 1525) and Anna of Anhalt- Zerbst.
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.
Francis Martin Drexel
Francis Martin Drexel( April 7, 1792 – June 5, 1863) was a Philadelphia banker and artist.
He was the father of Anthony Joseph Drexel, the founder of Drexel University and the grandfather of Saint Katherine Drexel.
Waleran III, Count of Ligny
Waleran III of Luxembourg( 1355 – 12 April 1415) Count of Ligny and Saint Pol, was a French nobleman and soldier.
Anthony I, Count of Ligny
Anthony I, Count of Ligny (1450–1519) was the youngest son of Louis de Luxembourg, Count of Saint-Pol and his wife, Jeanne de Bar, Countess of Marle and Soissons.
In 1482, he inherited the County of Brienne from his brother Peter II, Count of Saint-Pol.
After the death of Charles of Bourbon in 1510, Anthony inherited the County of Ligny, which thereby fell back to the House of Luxemburg.

Question: Who is the maternal grandfather of Anthony I, Count Of Ligny?