Constantine Maliasenos
Constantine Komnenos Maliasenos Doukas Bryennios was a Byzantine Greek nobleman and magnate active in Thessaly in the first half of the 13th century.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Constantine Komnenos Doukas
Constantine Komnenos Doukas (ca. 1172 – after 1242), usually named simply Constantine Doukas, was a son of the "sebastokrator" John Doukas and brother of the founders of the Despotate of Epirus, Michael and Theodore.
He was named governor of Acarnania and Aetolia and given the rank of Despot, which he held until his death.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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 Doukas (sebastokrator)
John Doukas, Latinized as Ducas, ("Iōannēs Doukas"; –) was the eldest son of Constantine Angelos by Theodora Komnene, the seventh child of the Byzantine Emperor Alexios I Komnenos and Irene Doukaina, from whose family name John Doukas took his own.
He served as a military commander under Manuel I Komnenos and Isaac II Angelos.
Isaac II, who was Doukas's nephew, raised him to the high rank of "sebastokrator".
Despite his advanced age, he continued to be an active general in the 1180s and 1190s, and until shortly before his death aspired to the imperial throne.
He was the progenitor of the Komnenos Doukas line, which founded the Despotate of Epirus after the Fourth Crusade.
Maria Petraliphaina
Maria Doukaina Komnene Petraliphaina  was the wife of Theodore Komnenos Doukas, ruler of Epirus and in 1224–1230 self-proclaimed Emperor of Thessalonica.
She is the earliest consort of the Epirote state known by name: the two wives of Michael I Komnenos Doukas, predecessor of her husband, were members of the Melissenos family but their first names are unknown.
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.

Question: Who is the paternal grandfather of Constantine Komnenos Doukas?