Stephen II of Troyes
Stephen II of Troyes( died 1047), sometimes called Etienne, was a Count of Troyes and Meaux from 1037 to 1047.
He was the son of( Eudes) Odo II, Count of Blois and, Chartres, Rheims, Troyes and Meaux, and of Ermengarde of Auvergne.
He married Adèle and had a son, Eudes II who was Count of Troyes and of Meaux, then of Aumale.
Otto II, Count of Zutphen
Otto II
, Count of Zutphen was a Dutch nobleman from the early 12th century.
Otto was the son of Gottschalk, Count of Zutphen and Adelheid of Zutphen.
Otto's maternal grandfather may be Otto of Hammerstein, who may have been the first count of Zutphen.
Alternatively Adelheid may be a daughter of Ludolf of Zutphen and Mathilda of Hammerstein (daughter of Otto of Hammerstein).
Otto, known as "the rich", married Judith of Arnstein.
They had four children:
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Ermengarde of Zutphen
Ermengarde of Zutphen (died 1138) was countess of Zutphen (1122–1138), succeeding her elder brother Henry II, Count of Zutphen
(her other two brothers had taken holy orders and died respectively).
Their parents were Otto II, Count of Zutphen and Judith of Arnstein.
She first married around 1116 to Gerard II († 1131), count of Guelders and of Wassenberg, and had :
Widowed, she remarried to Conrad II († 1136), count of Luxembourg, but the marriage remained childless.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Liudolf of Lotharingia
Liudolf of Lotharingia, also Ludolf( c. 100010 April 1031), was Count of Zutphen and Waldenburg.
He was born in Saxony about 1000, the eldest son of Ezzo, Count Palatine of Lotharingia, and his wife Matilde of Germany, daughter of the Emperor Otto II and Theophanu.
Besides being Count of Zutphen and Waldenburg, Liudolf was military commander of the army of the Archbishop of Cologne, and protector( Vogt) of the abbeys of Brauweiler, Münster and Borghorst.
He died on 10 April 1031, and was buried with his parents in Brauweiler Abbey.
Liudolf married Matilda of Zutphen, by whom he had issue:
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Gerard II, Count of Guelders
Gerard II was Count of Guelders from March 1129 until his death on October 24, 1131.
He was the son of Gerard I, Count of Guelders.
Around 1116, Gerard married Ermgard of Zutphen, daughter of Otto II, Count of Zutphen and Judith of Arnstein.
They had two children:
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.

Question: Who is Ermengarde Of Zutphen's paternal grandfather?
Answer: Gottschalk, Count of Zutphen