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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Igwe Okafo
Igwe Okafo(born 1830-1891) was the 16th Obi of Otolo and Igwe of Nnewi kingdom.
He was the traditional supreme ruler and spiritual leader in Nnewi, an Igbo city in Nigeria.
He is a member of the Nnofo Royal lineage and the successor to his father Eze Ukwu.
Unlike most Igbo monarchies, there were kings of Nnewi before the arrival of Europeans.
Igwe Orizu I (Eze Ugbonyamba)
Igwe Orizu I( Eze Ugbonyamba; born 1881- 1924) was the 18th Obi of Otolo and the Igwe of Nnewi kingdom.
He was the traditional supreme ruler and spiritual leader in Nnewi, an Igbo city in Eastern Nigeria.
Eze Ugbonyamba was crowned the King of Nnewi and he took the ofo of Nnewi after his father's death in 1904.
He was a member of the Nnofo Royal lineage and the successor to his father Igwe Iwuchukwu Ezeifekaibeya.
Igwe Orizu I( Eze Ugbonyamba) died in 1924 and was succeeded by his first son Igwe Josiah Orizu II.
One of remarkable events of his reign was the arrival of the British in 1905.
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
Igwe Iwuchukwu Ezeifekaibeya
Igwe Iwuchukwu (Ezeifekaibeya,1855-1904) was the 17th Obi of Otolo and Igwe of Nnewi kingdom in the present day
Anambra state of Nigeria.
He is the traditional supreme ruler and spiritual leader in Nnewi, an Igbo city in Nigeria.
He is a member of the Nnofo Royal lineage and the successor to his father Igwe Okafo.
Unlike most Igbo monarchies, there were kings of Nnewi before the arrival of Europeans.
He sat on the throne of his ancestors until his death in 1904, the same year that the British colonists arrived at Nnewi.
The kingdom was mourning the passing of the King and one of the most influential Chiefs and brother of the late king, Nwosu Odumegwu (Eze Odumegwu), was asked to be the Warrant chief of Nnewi by the British Colonial Administration led by Major Moorehouse; he refused.
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.

Question: Who is the paternal grandfather of Igwe Iwuchukwu Ezeifekaibeya?
Answer: Eze Ukwu