John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Meilge Molbthach
Meilge Molbthach ("the praiseworthy"), son of Cobthach Cóel Breg, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
He took power after killing his predecessor, and his father's killer, Labraid Loingsech.
He ruled for seven or seventeen years, until he was killed by Mug Corb, grandson of Rechtaid Rígderg, in Munster.
It is said that when his grave was dug, a lake burst over the land, which was called Loch Meilge after him.
The "Lebor Gabála Érenn" synchronises his reign with that of Ptolemy III Euergetes of Egypt (246–222 BC).
The chronology of Geoffrey Keating's "Foras Feasa ar Éirinn" dates his reign to 369–362 BC, the "Annals of the Four Masters" to 523–506 BC.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
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.
Irereo
Irereo Fáthach ("the wise"), son of Meilge Molbthach, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
He took power after killing his predecessor, Óengus Ollom, and ruled for seven or ten years, until he was killed in Ulster by Fer Corb, son of Mug Corb.
The "Lebor Gabála Érenn" synchronises his reign with that of Ptolemy III Euergetes of Egypt (246–222 BC).
The chronology of Geoffrey Keating's "Foras Feasa ar Éirinn" dates his reign to 337–330 BC, the "Annals of the Four Masters" to 481–474 BC.
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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Connla Cáem
Connla Cáem(" the beautiful"), also known as Connla Cruaidchelgach(" bloody blade"), son of Irereo, was, according to medieval Irish legend and historical tradition, a High King of Ireland.

Question: Who is the paternal grandfather of Irereo?