question: Who is Konrad Iii Rudy's paternal grandmother?
context: [["Konrad VIII the Younger", ["Konrad VIII the Younger( after 1397 \u2013 before 5 September 1444), was a Duke of Ole\u015bnica, Ko\u017ale, half of Bytom and half of \u015acinawa during 1416 \u2013 1427( with his brothers as co-rulers) and sole Duke of half of \u015acinawa since 1427 until his death.", "He was the fifth and youngest son of Konrad III the Old, Duke of Ole\u015bnica, by his wife Judith.", "Like his four older brothers, at the baptism he received the name of Konrad, which was characteristic in this branch of the House of Piast."]], ["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]], ["Konrad VI the Dean", ["Konrad VI the Dean( ca. 1391 \u2013 3 September 1427) was a Duke of Ole\u015bnica, Ko\u017ale, half of Bytom and half of \u015acinawa since 1416( with his brothers as co-rulers).", "He was the third son of Konrad III the Old, Duke of Ole\u015bnica, by his wife Judith.", "Like his two older and two younger brothers, at his baptism he received the name of Konrad, which was characteristic in this branch of the House of Piast."]], ["Konrad III Rudy", ["Konrad III the Red", "(pl: \"", "Konrad III Rudy\"; 1447/48 \u2013 28 October 1503), was a Polish prince member of the House of Piast in the Masovian branch.", "He was a duke of Czersk, Liw, Warsaw, Nur, \u0141om\u017ca, Ciechan\u00f3w, R\u00f3\u017can, Zakroczym and Wyszogr\u00f3d during 1454-1471 jointly with his brothers (under regency until 1462), Duke of P\u0142ock, Wizna, P\u0142o\u0144sk and Zawkrze during 1462-1471, and after the division of the paternal domains in 1471, sole ruler over Czersk and Liw, over Wyszogr\u00f3d during 1474-1489 and again in 1495, over Zakroczym since 1484, over Nur since 1488 and over Warsaw since 1489.", "He was the third son of Boles\u0142aw IV of Warsaw and Barbara Olelkovna of Slutsk-Kapy, a Lithuanian princess, (granddaughter of Vladimir Olgerdovich).", "The premature death of his two older brothers during 1453-1454 left him as the eldest surviving son of his family."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]], ["Kaoru Hatoyama", ["After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama."]], ["Diana Guardato", ["Diana Guardato was a member of the aristocratic Patrician Guardato family, and had three children with King Ferdinand I: Diana Guardato is the 16th- Great Grandmother of His Royal Highness Albert II of Belgium, 15th- Great Grandmother of His Majesty Juan Carlos", "I of Spain, 17th- Great Grandmother of Philippe of Belgium, 14th- Great Grandmother of His Majesty Manuel II of Portugal, 16th- Great Grandmother of Grand Duke Henri, as well as many others."]], ["Anne Denman", ["Anne Denman( 1587\u20131661) was born in Olde Hall, Retford, Nottinghamshire.", "Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne."]], ["Tjuyu", ["Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.", "She is the grandmother of Akhenaten, and great grandmother of Tutankhamun."]], ["Boles\u0142aw IV of Warsaw", ["Boles\u0142aw IV of Warsaw (also known as Boleslaus IV of Warsaw, ; \u2013 10 September 1454), was a Polish prince member of the House of Piast in the Masovian branch.", "He was Duke of Warsaw during 1429\u20131454 (under regency until 1436) and sovereign Duke of Podlachia in 1440\u20131444.", "He was the second son of Boles\u0142aw Januszowic (in turn second son of Janusz I of Warsaw) and Anna Feodorovna of Ratnie, a Lithuanian princess (granddaughter of Algirdas)."]]]
supporting_facts: [["Konrad III Rudy", 4], ["Boles\u0142aw IV of Warsaw", 2]]
evidences: [["Konrad III Rudy", "father", "Boles\u0142aw IV of Warsaw"], ["Boles\u0142aw IV of Warsaw", "mother", "Anna Feodorovna"]]
answer: Anna Feodorovna