question: Who is the paternal grandfather of Casimir Ii Of Zator?
context: [["Jan V of Zator", ["Jan V of Zator( before 1455 \u2013 17 September 1513), was a Duke of Zator during 1468 \u2013 1474( with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death( during 1474 \u2013 1482 with his brother as co-ruler).", "He was the third son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz."]], ["Wenceslaus I of Zator", ["Wenceslaus I of Zator (\u2013 before 29 July 1468), was a Duke of O\u015bwi\u0119cim during 1434\u20131445 (with his brothers as co-rulers) and Duke of Zator from 1445 until his death.", "He was the eldest son of Duke Casimir I of O\u015bwi\u0119cim by his first wife Anna, daughter of Duke Henry VIII of \u017baga\u0144."]], ["Henry Krause", ["Henry J.\" Red\" Krause, Jr.( August 28, 1913 \u2013 February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.", "He played college football at St. Louis University.", "He is the grandfather of Jennifer Krause", "He is the great grandfather of Payton Hoeing"]], ["Adelaide of Poland", ["Adelaide of Poland( c. late 1170s/ early 1180s \u2013 8 December 1211), was a Polish princess and member of the Piast dynasty.", "She was the daughter of Casimir II the Just, Duke of Sandomierz and High Duke of Poland, by his wife Helena of Znojmo, a P\u0159emyslid princess.", "On basis of the inscription of her tombstone at the Dominican Church and Convent of St. James in Sandomierz and two different reports of Jan D\u0142ugosz, modern historians agreed with the origin and facts from Adelaide's life.", "Today existed a dominant view in historiography consistent with her filiation and death date.", "According to them, Adelaide was indeed the daughter of Casimir II the Just and died in 1211, but was n't the foundress of the Convent of St. James and only another nun there.", "In the 19th century, appeared a theory which states that Adelaide was the daughter of Casimir I of Kuyavia, who entered in the Convent of St. James as a nun and died there in 1291.", "This view, accepted by several scholars, has been disputed.", "More recent historiography recognized her as the daughter of Casimir II the Just, founder of the Convent, in which was she buried after her death in 1211."]], ["Wenceslaus II, Duke of Cieszyn", ["Wenceslaus II of Cieszyn( b. 1488/96- d. 17 November 1524), was a Duke of Cieszyn since 1518 until his death( as co-ruler of his father).", "He was the second son of Casimir II, Duke of Cieszyn, by his wife Johanna, daughter of Wiktoryn of Pod\u011bbrady, Duke of Opawa."]], ["Frederick of Cieszyn", ["Frederick of Cieszyn( b. 1480/83- d. June 1507), was a Polish prince member of the House of Piast in the Cieszyn branch.", "He was the eldest son of Casimir II, Duke of Cieszyn, by his wife Johanna, daughter of Wiktoryn of Pod\u011bbrady, Duke of Opawa."]], ["W\u0142adys\u0142aw of Zator", ["W\u0142adys\u0142aw of Zator( 1455 \u2013 28 May/ 21 September 1494), was a Duke of Zator during 1468 \u2013 1474( with his brothers as co-rulers), ruler over half of Zator during 1474 \u2013 1482( with his brother as co-ruler) and Duke of Wadowice since 1482 until his death.", "He was the fourth and youngest son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz."]], ["Casimir II of \u0141\u0119czyca", ["Casimir II of \u0141\u0119czyca( pl:\" Kazimierz II \u0142\u0119czycki\"; c. 1261/62 \u2013 10 June 1294), was a Polish prince member of the House of Piast, Duke of Brze\u015b\u0107 Kujawski during 1267 \u2013 1288, Duke of Dobrzy \u0144 during 1275 \u2013 1288 and Duke of \u0141\u0119czyca since 1288 until his death.", "He was the fourth son of Casimir I of Kuyavia, but the second born from his third marriage with Euphrosyne, daughter of Casimir I of Opole.", "He was probably named after both his father and maternal grandfather."]], ["Wenceslaus II of Zator", ["Wenceslaus II of Zator( 1450/55 \u2013 before 5 October 1487), was a Duke of Zator during 1468- 1474( with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death( with his brother as co-ruler).", "He was the second son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz."]], ["Casimir II of Zator", ["Casimir II of Zator (\u2013 8 January/7 July 1490), was a Duke of Zator during 1468\u20131474 (with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death (during 1474\u20131487 with his brother as co-ruler).", "He was the eldest son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz."]]]
supporting_facts: [["Casimir II of Zator", 1], ["Wenceslaus I of Zator", 1]]
evidences: [["Casimir II of Zator", "father", "Wenceslaus I of Zator"], ["Wenceslaus I of Zator", "father", "Casimir I of O\u015bwi\u0119cim"]]
answer: Casimir I of Oświęcim