Question: Who is Louis D'Armagnac, Duke Of Nemours's paternal grandfather?

Context paragraphs:
title: Prince Ferdinand, Duke of Alençon
paragraph_text: Ferdinand Philippe Marie d' Orléans, duc d' Alençon( 12 July 1844 – 29 June 1910) was the son of Louis Charles Philippe Raphael d' Orléans, Duke of Nemours and Princess Victoria of Saxe- Coburg and Gotha( a first cousin of Britain's Queen Victoria).
title: Louis Jean Marie de Bourbon, Duke of Penthièvre
paragraph_text: Louis Jean Marie de Bourbon (16 November 1725 – 4 March 1793) was the son of Louis Alexandre de Bourbon and his wife Marie Victoire de Noailles. He was also a grandson of Louis XIV of France and his mistress, Madame de Montespan. From birth he was known as the Duke of Penthièvre. He also possessed the following titles: Prince of Lamballe (given later as a courtesy title to the duke's only surviving son); Prince of Carignano; Duke of Rambouillet; Duke of Aumale (1775); Duke of Gisors; Duke of Châteauvillain; Duke of Arc-en-Barrois; Duke of Amboise; Count of Eu; Count of Guingamp. He was the father in law of "Philippe Égalité".
title: Louis Joseph, Duke of Guise
paragraph_text: Louis Joseph de Lorraine" Duke of Guise" and Duke of Angoulême,( 7 August 1650 – 30 July 1671) was the only son of Louis, Duke of Joyeuse and Marie Françoise de Valois, the only daughter of Louis- Emmanuel d' Angoulême, Count of Alès, Governor of Provence and son of Charles de Valois Duke of Angoulême, a bastard of Charles IX of France.
title: Philip, Duke of Nemours
paragraph_text: Philip of Savoy, Duke of Nemours( 149025 November 1533) was a French nobleman. He was a son of Philip II, Duke of Savoy, and his second wife Claudine de Brosse. He was a half- brother of Louise of Savoy, the mother of Francis I of France. He was the founder of the Nemours branch of the house of Savoy which eventually settled in France. Originally destined for the priesthood, he was given the bishopric of Geneva at the age of five, but resigned it in 1510, when he was made count of Genevois. He served under Louis XII, with whom he was present at the battle of Agnadello( 1509), under the emperor Charles V in 1520, and finally under his nephew, Francis I. In 1528 Francis gave him the duchy of Nemours and married him to Charlotte of Orleans, a daughter of Louis d' Orléans, Duke of Longueville. They had two children:
title: Richard Wesley, 1st Baron Mornington
paragraph_text: Richard Colley Wesley, 1st Baron Mornington (– 31 January 1758) was an Irish peer, best remembered as the grandfather of Arthur Wellesley, 1st Duke of Wellington.
title: Jacques d'Armagnac
paragraph_text: Jacques d'Armagnac (4 August 1477), duke of Nemours, was the son of Bernard d'Armagnac, count of Pardiac, and Eleanor of Bourbon-La Marche. While styled Count of Castres, he served under Charles VII of France in Normandy in 1449 and 1450, and afterwards in Guienne. Louis XI awarded him with honours. In 1462, Jacques succeeded his father, and Louis XI married him to his god-daughter, Louise of Anjou, daughter of Charles of Le Maine. Louis XI also recognized his title to the duchy of Nemours, which he had disputed with the King of Navarre. Sent by Louis to pacify Roussillon, Nemours felt that he had been insufficiently rewarded for the rapid success of this expedition, and joined the League of the Public Weal in 1465. Subsequently, he reconciled with Louis, but soon resumed his intrigues. After twice pardoning him, the king's patience became exhausted, and he besieged the duke's chateau at Carlat and imprisoned him. Nemours was treated with the utmost rigour, being shut up in a cage. He was finally condemned to death and beheaded, 4 Aug 1477. He and Louise had six children:
title: Jacques, Duke of Nemours
paragraph_text: Jacques of Savoy, 2nd duke of Nemours( 12 October 153115 June 1585) was the son of Philippe, Duke of Nemours, and became Duke of Nemours on his father's death in 1533. He distinguished himself at the sieges of Lens and Metz( 1552 – 1553), at the Battle of Renty( 1554) and in the campaign of Piedmont( 1555). He was a supporter of the house of Guise, and had to retire for some time into Savoy in consequence of a plot. On his return to France he fought the Huguenots, and signalized himself by his successes in Dauphiné and Lyonnais. In 1567 he induced the court to return from Meaux to Paris, took part in the battle of Saint Denis, protested against the peace of Longjumeau, and repulsed the invasion of Wolfgang, Count Palatine of Zweibrücken. He devoted his last years to letters and art, and died at Annecy. He married, on 29 April 1566, Anna d' Este, daughter of Duke Ercole II of Ferrara and Renée of France, and widow of Francis, Duke of Guise. He was succeeded as Duke of Nemours by his sons, Charles Emmanuel de Savoie, 3rd Duc de Nemours and Henri I, Duke of Nemour. Descendencia: i. Charles Enmanuel, 1567- 1595 ii. Marguerite, 1569- 1572 iii. Enrique I, 1572- 1632, en inglés( Henry I de Savoy) Con descendencia iv. Robert, 1577- 1660 que caso con Marie Caillaux( 1580- 1670) con descendencia: Rene( 1601- 1696) Con Descendencia Robart( 1606 -??) A fictionalized version of the second Duke of Nemours serves as the love interest in the early novel" La Princesse de Clèves", which takes place at the court of Henry II of France.
title: Henry Krause
paragraph_text: Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins. He played college football at St. Louis University. He is the grandfather of Jennifer Krause He is the great grandfather of Payton Hoeing
title: Jean d'Armagnac, Duke of Nemours
paragraph_text: Jean d' Armagnac, Duke of Nemours( 1467 – 1500) was the son of Jacques d' Armagnac, Duke of Nemours and Louise of Anjou. His father's possessions were confiscated on his execution in 1477, but Jean was restored to Nemours and the family's other lands in 1484. He led a dissipated life, and his siblings sued him to prevent him from alienating the family lands to pay his debts. In 1489, he traded the viscounties of Carlat and Murat to Peter II, Duke of Bourbon for the county of l' Isle- Jourdain. He married Yolande de La Haye( d. 1517) in 1492, but had no children. He was succeeded by his brother Louis, Count of Guise.
title: Louis d'Armagnac, Duke of Nemours
paragraph_text: Louis d'Armagnac, Duke of Nemours (1472; Normandy, France – 28 April 1503; Cerignola, Italy), known for most of his life as the Count of Guise, was the third son of Jacques d'Armagnac, Duke of Nemours and Louise of Anjou. In 1491, he was made Count of Guise, a title last held by his uncle Charles IV, Duke of Anjou. Upon the death of his elder brother Jean in 1500, he became Duke of Nemours. He fought in the Italian Wars and was made viceroy of Naples in 1501. He was defeated and killed at the battle of Cerignola on 28 April 1503.

Reasoning steps:
Louis d'Armagnac, Duke of Nemours father Jacques d'Armagnac, Duke of Nemours
Jacques d'Armagnac father Bernard d'Armagnac, Count of Pardiac

Answer: spans: Bernard d'Armagnac, Count of Pardiac