Túathal Techtmar
Túathal Techtmar ("the legitimate"), son of Fíachu Finnolach, was a High King of Ireland, according to medieval Irish legend and historical tradition.
He is said to be the ancestor of the Uí Néill and Connachta dynasties through his grandson Conn of the Hundred Battles.
The name may also have originally referred to an eponymous deity, possibly even a local version of the Gaulish Toutatis.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Cathair Mór
Cathair Mór(" the great"), son of Feidhlimidh Fiorurghlas, a descendant of Conchobar Abradruad, was, according to Lebor Gabála Érenn, a High King of Ireland.
He took power after the death of Fedlimid Rechtmar.
Cathair ruled for three years, at the end of which he was killed by the Luaigne of Tara, led by Conn Cétchathach.
The" Lebor Gabála Érenn" synchronises his reign with that of the Roman emperor Marcus Aurelius( 161–180).
The chronology of Geoffrey Keating's" Foras Feasa ar Éirinn" dates his reign to 113–116, that of the" Annals of the Four Masters" to 119–122.
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.
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.
Conn of the Hundred Battles
Conn Cétchathach(" of the Hundred Battles", pron.), son of Fedlimid Rechtmar, was, according to medieval Irish legendary and annalistic sources, a High King of Ireland, and the ancestor of the Connachta, and, through his descendant Niall Noígiallach, the Uí Néill dynasties, which dominated Ireland in the early Middle Ages, and their descendants.
Fedlimid Rechtmar
Fedlimid Rechtmar ("the lawful, legitimate" or "the passionate, furious") or Rechtaid ("the judge, lawgiver"), son of Tuathal Techtmar, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
His mother was Báine, daughter of Scál.
He took power after killing his predecessor, and his father's killer, Mal mac Rochride.
He is said to have instituted the principle of an eye for an eye into Irish law, after which the behaviour of the Irish improved.
The completion of the road construction around Tara is attributed to him.
He ruled for nine or ten years before dying in his bed, and was succeeded by Cathair Mór.
One of his sons, Conn Cétchathach, would succeed Cathair.
Two other sons, Fiacha Suighe, ancestor of the Dal Fiachrach Suighe, and Eochaid Finn, are named in medieval sources.
The "Lebor Gabála Érenn" synchronises his reign with that of the Roman emperor Marcus Aurelius (161–180).
The chronology of Geoffrey Keating's "Foras Feasa ar Éirinn" dates his reign to 104–113, that of the "Annals of the Four Masters" to 110–119.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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 Fedlimid Rechtmar?
Answer: Fíachu Finnolach