Question: Who is the uncle of John I, Count Of Soissons?

Knowledge 1: John I, Count of Soissons
John I (d. after 1115), son of William Busac, Count of Eu and Soissons, and Adelaide, Countess of Soissons.Count of Soissons.John became Count of Soissons after the death of his brother Renaud II in 1099.John was involved with the Abbey of St. Jean des Vignes.John married Aveline de Pierrefonds, daughter of Nivelon II, Seigneur de Pierrefonds.John and Aveline had one child:Upon the death of John, his son Renaud became the last of the Norman Counts of Soissons. [SEP] Knowledge 2: Adelaide, Countess of Soissons
Adelaide (died 1105), was sovereign Countess of Soissons from 1057 until 1105.She was the daughter of RenaudI, Count of Soissons, and his wife, whose name is unknown, widow of Hilduin III, Count of Montdidier. .Adelaide became ruler of the County of Soissons upon the death of her father and brother, Guy II, Count of Soissons, in 1057.Adelaide married William Busac, Count of Eu, grandson of Richard I, Duke of Normandy.Adelaide and William had five children:
William Busac became Count of Soissons, "de jure uxoris", upon their marriage.
Knowledge 1: John I, Count of Soissons
John I (d. after 1115), son of William Busac, Count of Eu and Soissons, and Adelaide, Countess of Soissons.Count of Soissons.John became Count of Soissons after the death of his brother Renaud II in 1099.John was involved with the Abbey of St. Jean des Vignes.John married Aveline de Pierrefonds, daughter of Nivelon II, Seigneur de Pierrefonds.John and Aveline had one child:Upon the death of John, his son Renaud became the last of the Norman Counts of Soissons. [SEP] Knowledge 2: John III, Count of Soissons
John III (d. before 8 October 1286), son of John II, Count of Soissons, and Marie de Chimay.Count of Soissons and Seigneur of Chimay.John inherited the countship of Soissons upon his father’s death in 1272.John married Marguerite de Montfort, daughter of Amaury, Count of Montfort, and his wife Beatrix de Viennois.John and Marguerite had five children:
John was succeeded as Count of Soissons by his son and namesake upon the former’s death.
Knowledge 1: Adelaide, Countess of Soissons
Adelaide (died 1105), was sovereign Countess of Soissons from 1057 until 1105.She was the daughter of RenaudI, Count of Soissons, and his wife, whose name is unknown, widow of Hilduin III, Count of Montdidier. .Adelaide became ruler of the County of Soissons upon the death of her father and brother, Guy II, Count of Soissons, in 1057.Adelaide married William Busac, Count of Eu, grandson of Richard I, Duke of Normandy.Adelaide and William had five children:
William Busac became Count of Soissons, "de jure uxoris", upon their marriage. [SEP] Knowledge 2: John III, Count of Soissons
John III (d. before 8 October 1286), son of John II, Count of Soissons, and Marie de Chimay.Count of Soissons and Seigneur of Chimay.John inherited the countship of Soissons upon his father’s death in 1272.John married Marguerite de Montfort, daughter of Amaury, Count of Montfort, and his wife Beatrix de Viennois.John and Marguerite had five children:
John was succeeded as Count of Soissons by his son and namesake upon the former’s death.

Answer: Guy II, Count of Soissons