Hilduin IV, Count of Montdidier
Hilduin IV (d. 1063), Count of Montdidier and Lord of Ramerupt, son of Hilduin III, Count of Montdidier, member of the House of Montdidier.
Hilduin was also Count of Roucy by virtue of his marriage to the daughter of Ebles
I, Count of Roucy.
Little is known about Hilduin despite his many renowned children and grandchildren.
Hériman of Tournai records that Philip I of France appointed Hilduin as an ambassador to Rome (date unknown).
Sometime between 1033 and 1054, probably closer to the latter, Hilduin was driven from Montdidier by Count Ralph IV of Valois, who continued to rule it until his death in 1074.
Hildiun married Adelaide (Alice) de Roucy, daughter of Ebles
I, Count of Roucy, and Beatrix of Hainaut.
They had nine children:
Hilduin was apparently the last Count of Montdidier, the line being continued with the Counts of Roucy.
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.
Ebles I of Roucy
Ebles I of Roucy( died 11 May 1033) was count of Roucy from 1000 to 1033 and archbishop of Reims from 1021 to 1033.
His father has traditionally been considered to have been Giselbert, Count of Roucy and Reims.
A by Jean- Noël Mathieu resolves some inconsistencies by instead placing Giselbert as his matrilineal great uncle, and Eble de Poitiers as his father.
He married Beatrix, the daughter of Reginar IV, Count of Mons and Hedwig of France( daughter of Hugh Capet).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Ramiro II of Aragon
Ramiro II( 24 April 1086 – 16 August 1157), called the Monk, was King of Aragon from 1134 until withdrawing from public life in 1137( although he used the royal title until his death).
He was the youngest son of Sancho Ramírez, King of Aragon and Navarre and Felicia of Roucy.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Felicia of Roucy
Felicia of Roucy (– 3 May 1123) was a queen consort of Aragon and Navarre.
She was a daughter of Hilduin IV of Montdidier and his wife Alice of Roucy.
She was married in 1076 to Sancho Ramírez, then king of Aragon after he had divorced his first wife, Isabella of Urgell.
His accession to the crown of Navarre later that year made her the first Aragonese consort to also be Queen consort of Navarre.
She is attested shortly before her husband's death and is now thought to have outlived Sancho (the supposed subsequent marriage of Sancho to a third wife, Philippa of Toulouse, appearing in a later chronicle, is now thought to be erroneous).
Felicia gave birth to three sons, Ferdinand, Alfonso and Ramiro, the latter two following her step-son Peter I of Aragon and Navarre in Aragon (Alfonso also in Navarre).
Through Ramiro's only daughter Petronila of Aragon, she was ancestor of the later rulers of Aragon.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Gilbert of Roucy
Gilbert( also Giselbert or Gislebert), Count of Reims& Roucy, was the son of Renaud, Count of Reims and Alberade of Lorraine, daughter of Gilbert, Duke of Lorraine.
Although his wife's name is unknown, she was likely from the family of the Poitiers.
He was Count of Roucy from 967 until his death, and Viscount of Reims.
He was probably still a child when his father died.
He inherited the County of Roucy from his father, but the County of Reims was entrusted to Herbert “ le Vieux ” III of Osmois.
Later, Eudes I, Count of Blois, and the successor to Herbert le Vieux, entrusted Giselbert with the Viscouncy of Reims.
In 987, upon the death of King Louis V, Giselbert rallied without difficulty to his successor Hugh Capet, but nevertheless agreed to take an oath of allegiance in 990 to Charles of Lorraine, when the latter pressed his claims to the throne.
He died on April 19 between 991 and 1000, perhaps in 997, and was buried in the abbey of Saint- Remi of Reims.
No contemporary document mentions a wife or children for Giselbert.
His successor was Ebles I Count of Roucy.
It was long thought Ebles I was the son of Giselbert and to explain the appearance of the Ebles name in the house of Roucy, a daughter of the Duke of Aquitaine, William III “ Towhead ”, from the house of Poitiers.
According to this hypothesis, and knowing the names of the brothers and sister of Ebles I, Giselbert and this princess of Aquitaine would be the parents of:
But a recent study, based on onomastic data( the first names of Eudes and Lietaud are unexplained by the conventional theory) and patrimony( the lands of Rumigny and Marle, previously owned by the Counts of Blois) proposed a new theory: that Ebles I of Roucy was the son of Ebles I of Poitiers,( himself the son of William IV of Poitiers and Emma de Blois) and a daughter of, and Ermentrude of Roucy, Giselbert of Roucy ’s sister.

Question: Who is the paternal grandfather of Felicia Of Roucy?