John II, Count of Nassau-Beilstein
John II, Count of Nassau- Beilstein( died 1513) was a son of Count Henry IV and his wife, Eva of Sayn.
His father was son of John I which in turn was son of Henry II, Count of Nassau- Beilstein.
In 1499, he succeeded his father as the ruling Count of Nassau- Beilstein.
He married twice:
He was the father of:
John II, Count of Armagnac
John II, the Hunchback, (born 1333, died 26 May 1384), Count of Armagnac, of Fézensac, Rodez (1371–1384) and Count of Charolais (1364–1384), Viscount Lomagne and Auvillars, he was the son of John I, Count of Armagnac, of Fezensac and Rodez, Viscount Lomagne and Auvillars and Beatrix de Clermont, great-granddaughter of Louis IX of France.
During the life of his father, he bore the title of lord, and subsequently, Count of Charolais, which he had received from his mother.
Also, during his life, the government of Languedoc was entrusted to him.
Mary of Avesnes
Marie of Hainaut( 1280–1354) was the daughter of John II, Count of Holland and Philippa of Luxembourg, her brother was William I, Count of Hainaut.
John V, Count of Armagnac
John V of Armagnac( Fr.:" Jean V, comte d' Armagnac")( 1420 – 5 March 1473), the penultimate Count of Armagnac of the older branch.
He was the son of John IV of Armagnac and Isabella of Navarre.
Bonne of Berry
Bonne of Berry( 1362/1365 – 30 December 1435) was the daughter of John, Duke of Berry, and Joanna of Armagnac.
Through her father, she was a granddaughter of John II of France.
Engelbert, Count of Nevers
Engelbert of Cleves, Count of Nevers( 26 September 1462 – 21 November 1506) was the younger son of John I, Duke of Cleves and Elizabeth of Nevers, only surviving child of John II, Count of Nevers.
In 1481, he was sent with a large army to the Bishopric of Utrecht by his brother John II, Duke of Cleves where they successfully ousted David of Burgundy.
But after the Siege of Utrecht( 1483) he had to flee, and Utrecht returned to the control of Burgundy.
He married Charlotte of Bourbon- Vendôme, daughter of John VIII, Count of Vendôme, circa 1489.
Their son Engelbert became Count of Nevers and Eu in 1491 upon the death of his maternal grandfather John II, Count of Nevers.
His eldest brother John II( 1458 – 1521) inherited Cleves.
John II, Count of Nevers
John II, Count of Nevers( known as Jean de Clamecy, prior to acquiring title of" Count of Nevers"; 1415–1491) was a French noble.
Bernard VI, Count of Armagnac
Bernard VI,( 1270 – 1319), Count of Armagnac and Fezensac, was the son of Gerald VI, Count of Armagnac, and Mathe de Béarn.
Charles I, Count of Armagnac
Charles d' Armagnac, born 1425, died June 3, 1497 in Castelnau- de- Montmiral at the age of 72 years, was Count of Armagnac and Rodez from 1473 to 1497.
He was the son of John IV, Count of Armagnac and Rodez, and Isabella d' Évreux.
His older brother, Count John V, was a leader of the League of the Public Weal against King Louis XI of France, causing Charles to be imprisoned for fifteen years.
John was killed in a skirmish, allowing Charles to inherit the title of Count of Armagnac.
John I, Count of Armagnac
John I of Armagnac (French: Jean d’Armagnac; 1311 – 16 May 1373), son of Bernard VI and Cecilia Rodez, was Count of Armagnac from 1319 to 1373.
In addition to Armagnac he controlled territory in Quercy, Rouergue and Gévaudan.
He was the count who initiated the 14th century expansion of the county.

Question: Who is John Ii, Count Of Armagnac's paternal grandfather?