Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Béla I of Hungary
Béla I the Boxer or the Wisent (– 11 September 1063) was King of Hungary from 1060 until his death.
He descended from a younger branch of the Árpád dynasty.
Béla's baptismal name was Adalbert.
He left Hungary in 1031, together with his brothers, Levente and Andrew, after the execution of their father, Vazul.
Béla settled in Poland and married Richeza (or Adelaide), daughter of King Mieszko II of Poland.
He returned to his homeland upon the invitation of his brother Andrew, who had in the meantime been crowned King of Hungary.
Andrew assigned the administration of the so-called "ducatus" or "duchy", which encompassed around one-third of the territory of the Kingdom of Hungary, to Béla.
The two brothers' relationship became tense when Andrew had his own son, Solomon, crowned king, and forced Béla to publicly confirm Solomon's right to the throne in 1057 or 1058.
Béla, assisted by his Polish relatives, rebelled against his brother and dethroned him in 1060.
He introduced monetary reform and subdued the last uprising aimed at the restoration of paganism in Hungary.
Béla was fatally injured when his throne collapsed while he was sitting on it.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
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).
Euphemia of Hungary
Euphemia of Hungary was a daughter of King Béla I of Hungary and his wife, Richesa (or Adelaide) of Poland (1050s – 11 April 1111).
She was the wife of Duke Otto I of Olomouc.
Otto married Euphemia before 1073.
Nicholas, Palatine of Hungary
Nicholas( died after 1215) was a Hungarian influential lord in the Kingdom of Hungary, who served as Palatine of Hungary twice during the reign of Andrew II of Hungary.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Boris Kalamanos
Boris( 1114 1154), also known as Boris Kalamanos was a claimant to the Hungarian throne in the middle of the.
He was the son of Euphemia of Kiev, the second wife of Coloman the Learned, King of Hungary.
After Euphemia was caught in adultery, Coloman expelled her from Hungary and never acknowledged that he was Boris's father.
However, Boris, who was born in the Kievan Rus', regarded himself as the king's lawful son.
He laid claim to Hungary after Coloman's firstborn and successor, Stephen II of Hungary, died in 1131.
Boris made several attempts to assert his claims against kings Béla II and Géza II with the assistance of Poland, the Holy Roman Empire and the Byzantine Empire, but failed and was killed in a battle.

Question: Who is Euphemia Of Hungary's paternal grandfather?
Answer: Vazul