Question: Who is the paternal grandfather of Bohemond Iii Of Antioch?

Knowledge 1: Bohemond III of Antioch
Bohemond III of Antioch, also known as Bohemond the Child or the Stammerer (1148–1201), was Prince of Antioch from 1163 to 1201.He was the elder son of Constance of Antioch and her first husband, Raymond of Poitiers.Bohemond ascended to the throne after the Antiochene noblemen dethroned his mother with the assistance of Thoros II, Lord of Armenian Cilicia.He fell into captivity in the Battle of Artah in 1164, but the victorious Nur ad-Din, atabeg of Aleppo released him to avoid coming into conflict with the Byzantine Empire.Bohemond went to Constantinople to pay homage to Manuel I Komnenos, who persuaded him to install a Greek Orthodox Patriarch in Antioch.The Latin Patriarch of Antioch, Aimery of Limoges, placed Antioch under interdict.Bohemond restored Aimery only after the Greek patriarch died during an earthquake in 1170.Bohemond remained a close ally of the Byzantine Empire.He fought against Mleh, Lord of Armenian Cilicia, assisting in the restoration of Byzantine rule in the Cilician plain.He also made alliances with the Muslim rulers of Aleppo and Damascus against Saladin, who had begun to unite the Muslim countries along the borders of the crusader states.Since Bohemond repudiated his second wife and married an Antiochene lady, Patriarch Aimery excommunicated him in 1180.Bohemond forced the Armenian rulers of Cilicia to accept his suzerainty in the late 1180s.He also secured the County of Tripoli for his second son, Bohemond, in 1187.However, Saladin occupied almost the whole Principality of Antioch in the summer of 1188.To preserve the peace with Saladin, Bohemond did not provide military assistance to the crusaders during the Third Crusade.Leo of Cilicia's expansionist policy in the 1190s gave rise to a lasting conflict between Antioch and Cilicia.Bohemond was captured in 1194 by Leo, who tried to seize Antioch, but the burghers formed a commune and expelled the Armenian soldiers from the town.Bohemond was released only after he acknowledged Leo's independence.New conflicts emerged after Bohemond's eldest son, Raymond, died in 1197.Raymond's widow, who was Leo's niece, gave birth to a posthumous son, Raymond-Roupen, but Bohemond's younger son, Bohemond of Tripoli, wanted to secure his succession in Antioch with the assistance of the commune.The elderly Bohemond seems to have supported his son during his last years.The War of the Antiochene Succession began with Bohemond's death and lasted until 1219. [SEP] Knowledge 2: Raymond of Poitiers
Raymond of Poitiers (c. 1099- 29 June 1149) was Prince of Antioch from 1136 to 1149.He was the younger son of William IX, Duke of Aquitaine and his wife Philippa, Countess of Toulouse, born in the very year that his father the Duke began his infamous liaison with Dangereuse de Chatelherault.
Knowledge 1: Bohemond III of Antioch
Bohemond III of Antioch, also known as Bohemond the Child or the Stammerer (1148–1201), was Prince of Antioch from 1163 to 1201.He was the elder son of Constance of Antioch and her first husband, Raymond of Poitiers.Bohemond ascended to the throne after the Antiochene noblemen dethroned his mother with the assistance of Thoros II, Lord of Armenian Cilicia.He fell into captivity in the Battle of Artah in 1164, but the victorious Nur ad-Din, atabeg of Aleppo released him to avoid coming into conflict with the Byzantine Empire.Bohemond went to Constantinople to pay homage to Manuel I Komnenos, who persuaded him to install a Greek Orthodox Patriarch in Antioch.The Latin Patriarch of Antioch, Aimery of Limoges, placed Antioch under interdict.Bohemond restored Aimery only after the Greek patriarch died during an earthquake in 1170.Bohemond remained a close ally of the Byzantine Empire.He fought against Mleh, Lord of Armenian Cilicia, assisting in the restoration of Byzantine rule in the Cilician plain.He also made alliances with the Muslim rulers of Aleppo and Damascus against Saladin, who had begun to unite the Muslim countries along the borders of the crusader states.Since Bohemond repudiated his second wife and married an Antiochene lady, Patriarch Aimery excommunicated him in 1180.Bohemond forced the Armenian rulers of Cilicia to accept his suzerainty in the late 1180s.He also secured the County of Tripoli for his second son, Bohemond, in 1187.However, Saladin occupied almost the whole Principality of Antioch in the summer of 1188.To preserve the peace with Saladin, Bohemond did not provide military assistance to the crusaders during the Third Crusade.Leo of Cilicia's expansionist policy in the 1190s gave rise to a lasting conflict between Antioch and Cilicia.Bohemond was captured in 1194 by Leo, who tried to seize Antioch, but the burghers formed a commune and expelled the Armenian soldiers from the town.Bohemond was released only after he acknowledged Leo's independence.New conflicts emerged after Bohemond's eldest son, Raymond, died in 1197.Raymond's widow, who was Leo's niece, gave birth to a posthumous son, Raymond-Roupen, but Bohemond's younger son, Bohemond of Tripoli, wanted to secure his succession in Antioch with the assistance of the commune.The elderly Bohemond seems to have supported his son during his last years.The War of the Antiochene Succession began with Bohemond's death and lasted until 1219. [SEP] Knowledge 2: Theodora Komnene, Princess of Antioch
Theodora Komnene was a niece of Manuel I Komnenos, Byzantine emperor, a possible daughter of John Komnenos and of Maria Taronitissa, and the second wife of Bohemond III, prince of Antioch.She was the mother of: Her uncle Manuel I Komnenos died in 1180.Therefore, Bohemond believed that the alliance with Byzantium would n't be beneficial anymore and divorced Theodora.Theodora then remarried to Walter of Béthune, son of the lord of Bethsan.
Knowledge 1: Bohemond III of Antioch
Bohemond III of Antioch, also known as Bohemond the Child or the Stammerer (1148–1201), was Prince of Antioch from 1163 to 1201.He was the elder son of Constance of Antioch and her first husband, Raymond of Poitiers.Bohemond ascended to the throne after the Antiochene noblemen dethroned his mother with the assistance of Thoros II, Lord of Armenian Cilicia.He fell into captivity in the Battle of Artah in 1164, but the victorious Nur ad-Din, atabeg of Aleppo released him to avoid coming into conflict with the Byzantine Empire.Bohemond went to Constantinople to pay homage to Manuel I Komnenos, who persuaded him to install a Greek Orthodox Patriarch in Antioch.The Latin Patriarch of Antioch, Aimery of Limoges, placed Antioch under interdict.Bohemond restored Aimery only after the Greek patriarch died during an earthquake in 1170.Bohemond remained a close ally of the Byzantine Empire.He fought against Mleh, Lord of Armenian Cilicia, assisting in the restoration of Byzantine rule in the Cilician plain.He also made alliances with the Muslim rulers of Aleppo and Damascus against Saladin, who had begun to unite the Muslim countries along the borders of the crusader states.Since Bohemond repudiated his second wife and married an Antiochene lady, Patriarch Aimery excommunicated him in 1180.Bohemond forced the Armenian rulers of Cilicia to accept his suzerainty in the late 1180s.He also secured the County of Tripoli for his second son, Bohemond, in 1187.However, Saladin occupied almost the whole Principality of Antioch in the summer of 1188.To preserve the peace with Saladin, Bohemond did not provide military assistance to the crusaders during the Third Crusade.Leo of Cilicia's expansionist policy in the 1190s gave rise to a lasting conflict between Antioch and Cilicia.Bohemond was captured in 1194 by Leo, who tried to seize Antioch, but the burghers formed a commune and expelled the Armenian soldiers from the town.Bohemond was released only after he acknowledged Leo's independence.New conflicts emerged after Bohemond's eldest son, Raymond, died in 1197.Raymond's widow, who was Leo's niece, gave birth to a posthumous son, Raymond-Roupen, but Bohemond's younger son, Bohemond of Tripoli, wanted to secure his succession in Antioch with the assistance of the commune.The elderly Bohemond seems to have supported his son during his last years.The War of the Antiochene Succession began with Bohemond's death and lasted until 1219. [SEP] Knowledge 2: Paul the Jew
Paul the Jew was the Patriarch of Antioch, and head of the Greek Orthodox Church of Antioch, from 519 to 521.

Answer: William IX