question: Who is Robert, Count Of Eu's paternal grandfather?
context: [["Robert, Count of Eu", ["Robert, Count of Eu and Lord of Hastings (d. between 1089-1093), son of William I, Count of Eu, and his wife Lesceline.", "Count of Eu and Lord of Hastings.", "Robert commanded 60 ships in the fleet supporting the landing of William I of England and the Norman conquest of England.", "Around 1068, Robert was given the Hastings Castle and the adjacent territories previously owned by Onfroy du Tilleul.", "According to the Domesday Book, Robert and his son William each possessed lands in separate counties.", "The sum of the annual income generated by the lands of the two men amounted to about 690 pounds sterling.", "In 1069 he was charged by the king to support Robert, Count of Mortain, to monitor the Danes, whose fleet moored in the mouth of the Humber, while the latter was to repress the revolt initiated by Eadric the Wild the west.", "When the Danes left their sanctuary to plunder the neighbourhood, the two commanders and their army fell upon them unexpectedly, crushing them, and forcing them to flee by sea.", "After the death of King William, Robert followed the party of Robert Curthose, Duke of Normandy.", "Dismayed by his softness and debauchery, he turned, along with several other Norman lords, towards the king William II the Red, from whom he received several garrisons for his castles.", "During the attempted intervention of the English king in Normandy in February 1091, he was one of his supporters.", "He died after this episode and his son William II succeeded him as count.", "Robert married first Beatrix de Falaise, sister of Arlette de Falaise.", "Robert and Beatrix had four children:", "Very devout, he made numerous donations to the Church, notably lands at F\u00e9camp Abbey of Rouen in 1051.", "After being widowed, he remarried, to Mathilde de Hauteville, daughter of Roger I, Count of Sicily, and Judith of Evreux, a second cousin of William the Conqueror.", "He repudiated her, however, and in 1080 she was married to Raymond IV of Saint-Gilles, Count of Toulouse and Marquis of Provence.", "He was buried in the Abbey of Saint-Michel du Tr\u00e9port, which he had founded in Tr\u00e9port, near the town of Eu, between 1057 and 1066, in memory of his first wife.", "Robert was assisted by the council of Duke William and Maurilius, archbishop of Rouen.", "Robert was succeeded as Count of Eu and Lord of Hastings by his son William."]], ["William Bourchier, 1st Count of Eu", ["William Bourchier, 1st Count of Eu( 1374- 28 May 1420), was an English knight created by King Henry V 1st Count of Eu, in Normandy."]], ["Thuringbert, Count of Hesbaye", ["Thuringbert (735\u2013770), Count of Hesbaye and Count of Wormsgau, son of Robert I, Count of Hesbaye, and Williswinda.\nThuringbert and his wife (name unknown) had one child:", "Thuringbert was succeeded as Count of Hesbaye by his son Robert."]], ["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."]], ["William XII, Count of Auvergne", ["William XII of Auvergne( 1300 \u2013 1332) was Count of Auvergne and Count of Boulogne between 1325 and 1332.", "He was the eldest son of Robert VII of Auvergne and Blanche of Bourbon, daughter of Robert, Count of Clermont.", "He married Margaret of \u00c9vreux( 1307 \u2013 1350), daughter of Louis, Count of \u00c9vreux and Margaret of Artois .< br>", "William died young and had only one daughter:"]], ["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."]], ["William I, Count of Eu", ["William I, Count of Eu (978-after 1057), illegitimate son of Richard I, Duke of Normandy.", "Count of Eu and Count of Hi\u00e9mois.", "William succeeded his nephew, Gilbert, as Count of Eu and Hi\u00e9mois after his murder in 1040.", "William rebelled against his half-brother Richard II, Duke of Normandy, and was captured by Raoul d\u2019Ivry and imprisoned by Turquetil of Harcourt, former governor of William the Conqueror..", "He escaped five years later and, eventually, was pardoned by Richard and given leave to marry into the Harcourt family.", "William married Lesceline, daughter of Turquetil.", "William and Lesceline had three children:\nWilliam\u2019s son, Robert, succeeded him as count of Eu."]], ["William Busac", ["William Busac( 1020- 1076), son of William I, Count of Eu, and his wife Lesceline.", "Count of Eu, Count of Soissons,\" de jure uxoris\".", "William was given the nickname Busac by the medieval chronicler Robert of Torigni.", "William appealed to King Henry", "I of France, who gave him in marriage Adelaide, the heiress of the county of Soissons.", "Adelaide was daughter of Renaud I, Count of Soissons, and Grand Master of the Hotel de France.", "William then became Count of Soissons in right of his wife.", "William and Adelaide had four children:", "His son Renaud became Count of Soissons upon William \u2019s death, and he was succeeded by his brother John."]], ["Robert IV of Artois, Count of Eu", ["Robert IV of Artois( 1356 \u2013 July 20, 1387), son of John of Artois, Count of Eu and Isabeau of Melun, was Count of Eu from April to July 1387.", "About 1376, he married Joanna of Durazzo, daughter of Charles, Duke of Durazzo.", "Robert IV inherited the County of Eu on April 6, 1387 along with Saint- Valery and Ault, however, in Naples at the time, he never learned of his father's death.", "He and his wife were poisoned whilst staying at Castel dell' Ovo on July 20, 1387 on the orders of Joanna's own sister Margaret, Queen Regent of Naples.", "Robert and Joanna were buried in the church of San Lorenzo Maggiore in Naples.", "The marriage of Robert and Joanna had remained childless.", "Robert was succeeded in Eu by his younger brother Philip of Artois, Count of Eu."]], ["John, Count of Eu", ["John, Count of Eu,( died 26 June 1170), son of Henry I, Count of Eu, and Marguerite, daughter of William, Count of Sully, who was brother of Stephen, King of England.", "John was Count of Eu and Lord of Hastings.", "John obtained from \u00c9tienne d' Angleterre( later Stephen, King of England) the honors of Tickhill and Blyth, being a descendant of their original owner, Roger de Busli, by his paternal grandmother Beatrice.", "John lost his holdings after his capture by Ranulf de Gernon, the 4th Earl of Chester, at the Battle of Lincoln in February 1141.", "In 1148, John returned to Hilaire, Bishop of Chichester, lands belonging to his diocese which his father had usurped during the troubled reign of Stephen.", "John had to take refuge in the summer of 1167 in Drincourt( now Neufch\u00e2 tel- en- Bray) during the invasion of his estates by the troops of Louis VII, an ally of Thierry, Count of Flanders.", "John married Alice, daughter of William d' Aubigny, 1st Earl of Arundel, and Adeliza of Louvain, the widow of King Henry I of England.", "John and Alice had three children:", "In addition, Like his father Henry, John became canon at the abbey of Eu, where he died on June 26, 1170, after devoting the rest of his days to the monastic state.", "He was placed in the tomb of his father behind the altar.", "At the time of the destruction of the Abbey of Foucarmont in 1791, Louis Jean Marie de Bourbon, Duke of Penthi\u00e8vre and Count of Eu, had the remains of the counts Henry and John reclaimed and moved to the chapel of the.", "John was succeeded as Count of Eu and Lord of Hastings by his son Henry upon his death.", "John was buried at F\u00e9camp Abbey, where many of his sons and grandsons would also be interred."]]]
supporting_facts: [["Robert, Count of Eu", 0], ["William I, Count of Eu", 0]]
evidences: [["Robert, Count of Eu", "father", "William I, Count of Eu"], ["William I, Count of Eu", "father", "Richard I"]]
answer: Richard I