question: Who is the paternal grandfather of Johann, Count Of Cleves?
context: [["Dietrich VIII, Count of Cleves", ["Dietrich VIII( \u2013 7 July 1347) was a German nobleman.", "He was Count of Cleves from 1310 through 1347.", "Dietrich was the son of Dietrich VII, Count of Cleves and his second wife Margaret of Habsburg.", "He succeeded in 1310 his half- brother Otto, Count of Cleves who had died without sons.", "Dietrich VIII married twice:", "He was succeeded by his brother John.< br>", "When his brother also died without a son, the County of Cleves went to his daughter's son Adolph III of the Marck and so to the Counts of Marck."]], ["Dietrich IX, Count of Mark", ["Dietrich IX, Count of Mark( 1374 \u2013 1398) was the Count of Mark from 1393 until 1398.", "Dietrich was the second son of Count Adolf III of the Marck and Margaret of J\u00fclich.", "His father had acquired the County of Cleves in 1368 and reserved this title for his eldest son Adolph to succeed him after his death.", "Dietrich already received the title of Count of Mark in 1393, when his father was still alive.", "When Dietrich fell in battle in 1398, he was succeeded by his elder brother Adolph, who had become Count of Cleves in 1394.", "Thus the County of Mark and the County of Cleves were reunited again."]], ["Adolph II of the Marck", ["Adolph II of the Marck( died 19/20 October 1347, Fr\u00f6ndenberg) was Count of the Marck.", "He was the eldest son of Engelbert II of the Mark and Mechtild of Arenberg.", "Adolph was betrothed to Irmgard of Cleves, daughter of Otto, Count of Cleves and his( second) wife Mechtild of Virneburg.", "After obtaining a papal dispensation Adolf was allowed to marry Margaret of Cleves, the daughter of Dietrich VIII, Count of Cleves and Margaret of Guelders.", "Adolph and Margaret of Cleves had seven children:"]], ["Johann, Count of Cleves", ["Johann was last Count of Cleves, from 1347 through 1368.", "Upon his death in 1368, the counties of Cleves and Count of Mark were united.", "Johann was the youngest son of Dietrich VII, Count of Cleves and his second wife Margaret of Habsburg.", "He succeeded in 1347 his brother Dietrich VIII, Count of Cleves who had died without sons.", "He married Mechteld of Guelders (", "\u2020 1384), daughter of Reginald II, Duke of Guelders, but the marriage remained childless.", "After his death, the County of Cleves went to Adolf III of the Marck and so to the Counts of Marck."]], ["Adolph I, Duke of Cleves", ["Adolph I of Cleves( 2 August 1373 \u2013 23 September 1448) was the second Count of Cleves and the fourth Count of Mark."]], ["Mary of Burgundy, Duchess of Cleves", ["Mary of Burgundy, Duchess of Cleves( 1393 \u2013 30 October 1466) was the second child of John the Fearless and Margaret of Bavaria, and an elder sister of Philip the Good.", "Born in Dijon, she became the second wife of Adolph, Count of Mark in May 1406.", "He was made the 1st Duke of Cleves in 1417.", "They were the grandparents of King Louis XII of France and the great- grandparents of John III, Duke of Cleves, father of Anne of Cleves, who was fourth Queen consort of Henry VIII of England.", "By their daughter, Catherine, they were ancestors of Mary, Queen of Scots.", "The Duke and Duchess of Cleves lived at Wijnendale Castle in West Flanders.", "She died in Cleves in present- day Monterberg, Kalkar."]], ["John I, Duke of Cleves", ["John I, Duke of Cleves, Count of Mark( 16 February 1419 \u2013 5 September 1481) was Duke of Cleves and Count of Mark."]], ["Karl Harst", ["Karl Harst( fl. 1540) was a sixteenth- century diplomat from the German Duchy of Cleves.", "He was the Duke of Cleves' representative in London during the marriage of Henry VIII of England and his fourth wife, Anne of Cleves."]], ["Dietrich VII, Count of Cleves", ["Dietrich VII (1256\u20131305) was Count of Cleves from 1275 through 1305.", "He was the son of Dietrich VI, Count of Cleves and his wife Aleidis von Heinsberg.", "The County of Cleves  was a comital polity of the Holy Roman Empire in present Germany (part of North Rhine-Westphalia) and the Netherlands (parts of Limburg, Noord-Brabant and Gelderland).", "Its rulers, called counts, had a special and privileged standing in the Empire.", "The County of Cleves was first mentioned in the 11th century.", "In 1417, the county became a duchy  and its rulers were raised to the status of Dukes.", "Its history is closely related to that of its neighbours: the Duchies of J\u00fclich, Berg and Guelders and the County of Mark.", "In 1368, Cleves and Mark were united.", "In 1521 J\u00fclich, Berg, Cleves and Mark formed the United Duchies of J\u00fclich-Cleves-Berg.", "The territory was situated on both sides of the river Rhine, around its capital Cleves and roughly covering today's districts of Cleves, Wesel and the city of Duisburg."]], ["Elisabeth of Cleves, Countess of Schwarzburg-Blankenburg", ["Elisabeth of Cleves was the daughter of Adolph I, Duke of Cleves and Marie of Burgundy, Duchess of Cleves.", "She married Count Henry XXVI of Schwarzburg- Blankenburg, on July 15, 1434."]]]
supporting_facts: [["Johann, Count of Cleves", 2], ["Dietrich VII, Count of Cleves", 1]]
evidences: [["Johann was last Count of Cleves", "father", "Dietrich VII, Count of Cleves"], ["Dietrich VII, Count of Cleves", "father", "Dietrich VI, Count of Cleves"]]
answer: Dietrich VI, Count of Cleves