question: What nationality is Gianfrancesco Gonzaga (1446–1496)'s mother?
context: [["Ali Rahuma", ["Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.", "He currently plays for Al- Ittihad, and is a member of the Libya national football team."]], ["Gianfrancesco I Gonzaga, Marquess of Mantua", ["Gianfrancesco I Gonzaga( 1395 \u2013 23 September 1444) was Marquess of Mantua from 1407 to 1444.", "He was also a condottiero."]], ["Nayelly Hern\u00e1ndez", ["Nayelly Hern\u00e1ndez( born 23 February 1986) is a former Mexican female professional squash player.", "She has represented Mexico internationally in several international competitions including the Central American and Caribbean Games, Pan American Games, Women's World Team Squash Championships.", "Nayelly achieved her highest career ranking of 57 in October 2011 during the 2011 PSA World Tour.", "Her husband Chris Walker whose nationality is English is also a professional squash player.", "She joined the Trinity College in 2008 as the first Mexican female to join a US college for squash and graduated in 2010."]], ["Roberto Savio", ["Roberto Savio( born in Rome, Italy, but also holding Argentine nationality) is a journalist, communication expert, political commentator, activist for social and climate justice and advocate of global governance.", "He has spent most of his career with Inter Press Service( IPS), the news agency which he founded in 1964 along with Argentine journalist Pablo Piacentini.", "Savio studied Economics at the University of Parma, followed by post -graduate courses in Development Economics under Gunnar Myrdal, History of Art and International Law in Rome.", "He started his professional career as a research assistant in International Law at the University of Parma."]], ["Gianfrancesco Gonzaga (1446\u20131496)", ["Gianfrancesco Gonzaga (1446 - 28 August 1496) was the third son of Ludovico III Gonzaga, Marquess of Mantua and Barbara of Brandenburg.", "He was the first count of Sabbioneta from 1479 until his death, originating the Gonzaga-Sabbioneta line."]], ["Barbara of Brandenburg, Marquise of Mantua", ["Barbara of Brandenburg (1422 \u2013 7 November 1481) was a Marchioness consort of Mantua, married in 1433 to Ludovico III Gonzaga, Marquis of Mantua.", "Barbara was the daughter of John, Margrave of Brandenburg-Kulmbach, and Barbara of Saxe-Wittenberg and a niece of Holy Roman Emperor Sigismund.", "Her marriage took place in 1433, when she was only ten years old, and she spent the latter part of her childhood in Mantua.", "She was active as the political adviser of her spouse with the responsibility of foreign diplomatic correspondence, in particular when it pertained to relations between Mantua and Germany.", "She is regarded as an important figure in the Italian Renaissance and was a student of Vittorino da Feltre.", "Barbara is portrayed in the novel \"The Princess of Mantua\" by French writer Marie Ferranti."]], ["Eleni Gabre-Madhin", ["Eleni Zaude Gabre- Madhin, an Ethiopian economist with Swiss nationality, is a former Chief Executive Officer of the Ethiopia Commodity Exchange( ECX).", "She has had many years of experience working on agricultural markets \u2013 particularly in Sub- Saharan Africa \u2013 and has held senior positions in the World Bank, the International Food Policy Research Institute( Washington), and United Nations( Geneva)."]], ["Carlo Gonzaga of Milan", ["Carlo Gonzaga( died 21 December 1456), Lord of Sabbioneta, was an Italian nobleman of the Mantuan House of Gonzaga who rose to the position of Captain of the People in the Ambrosian Republic of Milan, and eventually ruled practically as an autocrat.", "He was the younger son of Gianfrancesco Gonzaga and Paola Malatesta, as well as a friend of the humanist writer Francesco Filelfo.", "His brother was the famous Ludovico III Gonzaga, Marquis of Mantua, and became a rival of his for Mantua and in the field of battle."]], ["Baglan Mailybayev", ["Baglan Mailybayev( in Kazakh \u0411\u0430\u0493\u043b\u0430\u043d \u0410\u0441\u0430\u0443\u0431\u0430\u0439\u04b1\u043b\u044b \u041c\u0430\u0439\u043b\u044b\u0431\u0430\u0435\u0432) was born on 20 May 1975 in Zhambyl region, Kazakhstan.", "His nationality is Kazakh.", "He is a politician of the Republic of Kazakhstan, Deputy Head of the Presidential Administration of the Republic of Kazakhstan, Doctor of Law( 2002)( under the supervision of Professor Zimanov S.Z.- scientific advisor and academician of National Academy of Sciences of the Republic of Kazakhstan) and Ph.D. in Political Science( 1998)."]], ["Khalid al-Habib", ["Khalid al- Habib also believed to use the nom de guerre Khalid al Harbi is an Al- Qaeda leader who has overseen Al- Qaeda operations in Afghanistan.", "In 2005 it was reported that al- Habib died in a US missile strike on the Pakistani village of Damadola though it is unclear whether this is the case as Pakistani officials have claimed that no Al- Qaeda leaders died in the attack.", "al- Habib's nationality is not clear with sources claiming he may be Egyptian or Moroccan."]]]
supporting_facts: [["Gianfrancesco Gonzaga (1446\u20131496)", 0], ["Barbara of Brandenburg, Marquise of Mantua", 3]]
evidences: [["Gianfrancesco Gonzaga", "mother", "Barbara of Brandenburg"], ["Barbara of Brandenburg", "country of citizenship", "Germany"]]
answer: Germany