question: Who is Marie, Countess Of Eu's paternal grandfather?
context: [["Alix, Countess of Eu", ["Alix d\u2019 Eu( died May 1246), was ruling Countess of Eu in 1191 \u2013 1246.", "She was the daughter of Henry II, Count of Eu, and Matilda, daughter of Hamelin de Warenne, Earl of Surrey, and Isabel de Warenne.", "Countess of Eu, Lady of Hastings.", "Alix was the last ruler of the county of Eu from the House of Normandy.", "Alix inherited Eu and Hastings upon her father \u2019s death in 1191 as her older brothers had both died prematurely.", "In 1219, Alix travelled to England apparently under some arrangement with Hubert de Burgh, 1st Earl of Kent, Justicar of England.", "Their relationship remains a mystery.", "In a charter dated February 1233, Alix granted\" terram de Forz\u2026ex esch\u00e6ta Guillelmi quondam domini de Forz et comitis Aubemarle\" to Louis IX, King of France.", "It is unclear how Alix came to control Forz.", "Alix married", "Raoul I of Lusignan in 1213, resulting in his becoming Count of Eu and Lord of Hastings,\" de jure uxoris\", in 1214.", "Alix and Raoul had: Alix was interred at La Mothe- Saint- H\u00e9ray upon her death.", "The Counts of Eu continued through several generations of the House of Lusignan."]], ["Anne Yelverton", ["Anne Yelverton( 1628\u20131698) was Countess of Manchester and Countess of Halifax."]], ["Henry Krause", ["Henry J.\" Red\" Krause, Jr.( August 28, 1913 \u2013 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"]], ["Henry II, Count of Eu", ["Henry II, Count of Eu( died 1191), son of John, Count of Eu and Lord of Hastings, and Alice d'Aubigny.", "Henry inherited the countship of Eu and lordship of Hastings upon the death of his father( 1170).", "Henry married Matilda, daughter of Hamelin de Warenne, Earl of Surrey, and Isabel de Warenne, 4th Countess of Surrey.", "Henry and Matilda had:", "Upon the death of Henry, his daughter became Countess of Eu and Lady of Hastings.", "Henry was buried at Foucarmont."]], ["Scholastique of Champagne", ["Scholastique of Champagne( 1172\u20131219) was the daughter of Marie, Countess of Champagne and Henry I, Count of Champagne."]], ["Marie, Countess of Eu", ["Marie of Lusignan or Marie I de Lusignan (born c. 1223 in Melle; died in Poitou, 1 October 1260; buried at the Abbey of Foucarmont), was the only child of Raoul II of Lusignan and his second wife, Yolande de Dreux.", "She became Dame d'Issoudun, Countess of Eu and of Guinness in 1250.", "She was married around 1249 to Alphonso of Brienne.", "Alphonse was Count of Eu by marriage.", "Marie and Alphonso had at least two children:"]], ["William II, Count of Eu", ["William II, Count of Eu, feudal baron of Hastings( d. circa 1095) was a first generation Anglo- Norman nobleman, Count of Eu and rebel."]], ["Catherine of Cleves", ["Catherine de Cl\u00e8ves( or de Nevers), Countess of Eu( 1548 \u2013 11 May 1633) was the wife of Henry, Duke of Guise, and matriarch of the numerous and influential House of Guise.", "By marriage she was Duchess of Guise from 1570 to 1588, and Dowager Duchess of Guise thereafter.", "She was Countess of Eu in her own right from 1564."]], ["Raoul II of Lusignan", ["Raoul II of Lusignan (c. 1200 \u2013", "c. September 1, 1246/September, 1250, buried at the Abbey of Foucarmont) was the son of Raoul I of Lusignan and his second wife Alix, Countess of Eu.", "He became Seigneur d'Issoudun, Count of Eu and of Gu\u00eenes on May 1, 1219.", "He was married firstly in 1222 to Jeanne de Bourgogne (1200 \u2013 1223, buried at the Abbaye de Foncarmont), daughter of Odo III, Duke of Burgundy.", "His second wife, whom he married after 1223, was Yolande de Dreux (1196 \u2013 October 16, 1239); their daughter was:", "Raoul\u2019s third wife was Philippe of Dammartin."]], ["Alphonso of Brienne", ["Alphonso of Brienne or Alphonse I de Brienne, called Alphonse d' Acre( c. 1228 \u2013 August 25, 1270) was the son of John of Brienne and Berengaria of Le\u00f3n, born in Acre.", "He was the Grand Butler of France in 1258.", "By his marriage( bef. 1250) to Marie, Countess of Eu he became Count of Eu. He was also Grand Chamberlain of France, and died in Tunis on the Seventh Crusade.", "He had at least two children by Marie:"]]]
supporting_facts: [["Marie, Countess of Eu", 0], ["Raoul II of Lusignan", 1]]
evidences: [["Marie, Countess of Eu", "father", "Raoul II of Lusignan"], ["Raoul II of Lusignan", "father", "Raoul I of Lusignan"]]
answer: Raoul I of Lusignan