Question: Who is the paternal grandfather of Christopher Of Werle?

Knowledge 1: Christopher of Werle
Christopher of Werle, Prince of the Wends (born: before 1385; died: 25 August 1425) was from 1395 or earlier to 1425, Lord of Werle-Goldberg and Werle-Waren.He succeeded his father, who died between 1385 and 1395.He was the son of John VI of Werle and Agnes, a daughter of Nicholas IV of Werle-Goldberg.After his father's death, his brother Nicholas V ruled alone until Christopher came of age; from 1401, they ruled jointly.After Nicholas V died in 1408, Christopher ruled alone.He began calling himself "Prince of the Wends" on 4 May 1418 on the basis of chronicles written by Bishop Otto of Havelberg, which he regarded as evidence for his royal descent.He was probably killed on 25 August 1425 during a battle at Pritzwalk against troops from Brandenburg.He was probably unmarried and definitely childless.With his death, the Werle-Goldberg line died out and Werle-Goldberg fell to his cousin William. [SEP] Knowledge 2: John VI of Werle
John VI, Lord of Werle-Waren-Goldberg (born: after 1341; died: after 16 October 1385) was Lord of Werle-Goldberg from 1382 to 1385.He was the son of Bernard II of Werle and Elizabeth, daughter of John III, Count of Holstein-Plön.He reigned only along with his father and after his father's death in 1382 alone, over the Lordships of Werle-Goldberg and Werle-Waren.He was married with Agnes, daughter of Nicholas IV of Werle-Goldberg.It is not known when he died.In a document dated 16 October 1395, he is mentioned as being alive.He is known to have died before 1395.
Knowledge 1: Christopher of Werle
Christopher of Werle, Prince of the Wends (born: before 1385; died: 25 August 1425) was from 1395 or earlier to 1425, Lord of Werle-Goldberg and Werle-Waren.He succeeded his father, who died between 1385 and 1395.He was the son of John VI of Werle and Agnes, a daughter of Nicholas IV of Werle-Goldberg.After his father's death, his brother Nicholas V ruled alone until Christopher came of age; from 1401, they ruled jointly.After Nicholas V died in 1408, Christopher ruled alone.He began calling himself "Prince of the Wends" on 4 May 1418 on the basis of chronicles written by Bishop Otto of Havelberg, which he regarded as evidence for his royal descent.He was probably killed on 25 August 1425 during a battle at Pritzwalk against troops from Brandenburg.He was probably unmarried and definitely childless.With his death, the Werle-Goldberg line died out and Werle-Goldberg fell to his cousin William. [SEP] Knowledge 2: Nicholas IV of Werle
Nicholas IV, Lord of Werle[ Goldberg], nicknamed" PoogenogePig's eyes")( born: before 1331; died: between 14 March and 13 November 1354) was from 1350 to 1354 to Lord of Werle- Goldberg.
Knowledge 1: Christopher of Werle
Christopher of Werle, Prince of the Wends (born: before 1385; died: 25 August 1425) was from 1395 or earlier to 1425, Lord of Werle-Goldberg and Werle-Waren.He succeeded his father, who died between 1385 and 1395.He was the son of John VI of Werle and Agnes, a daughter of Nicholas IV of Werle-Goldberg.After his father's death, his brother Nicholas V ruled alone until Christopher came of age; from 1401, they ruled jointly.After Nicholas V died in 1408, Christopher ruled alone.He began calling himself "Prince of the Wends" on 4 May 1418 on the basis of chronicles written by Bishop Otto of Havelberg, which he regarded as evidence for his royal descent.He was probably killed on 25 August 1425 during a battle at Pritzwalk against troops from Brandenburg.He was probably unmarried and definitely childless.With his death, the Werle-Goldberg line died out and Werle-Goldberg fell to his cousin William. [SEP] Knowledge 2: Nicholas V of Werle
Lord NicholasV of Werle[ Goldberg and- Waren]( between 1341 and 1385 – after 21 January 1408) was Lord of Werle- Goldberg and Werle- Waren from 1385( or 1395) until 1408.He was the son of John VI of Werle and Agnes, the daughter of Nicholas IV of Werle- Goldberg.He reigned jointly with his father and after his father's death, he ruled alone until 1401.After 1401, he ruled jointly with his brother Christopher on the rule Werle.After 1397 he married Sophie( died: before 21 August 1408), the daughter of Duke Bogislaw VI of Pomerania- Wolgast.She was the widow of the Duke Eric I of Mecklenburg- Schwerin.Nicholas V died in 1408 and was buried in the Doberan Minster.His daughter Judith( nicknamed" Jutta") was married to Henry, Duke of Mecklenburg- Stargard.

Answer: Bernard II of Werle