Baglan Mailybayev
Baglan Mailybayev( in Kazakh Бағлан Асаубайұлы Майлыбаев) 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).
Nayelly Hernández
Nayelly Hernández( 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.
Jean-François Lyotard
Jean- François Lyotard( 10 August 1924 – 21 April 1998) was a French philosopher, sociologist, and literary theorist.
His interdisciplinary discourse spans such topics as epistemology and communication, the human body, modern art and postmodern art, literature and critical theory, music, film, time and memory, space, the city and landscape, the sublime, and the relation between aesthetics and politics.
He is best known for his articulation of postmodernism after the late 1970s and the analysis of the impact of postmodernity on the human condition.
Lyotard was a key personality in contemporary Continental philosophy and author of 26 books and many articles.
He was a director of the International College of Philosophy which was founded by Jacques Derrida, François Châtelet, Jean- Pierre Faye and Dominique Lecourt.
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.
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 – particularly in Sub- Saharan Africa – and has held senior positions in the World Bank, the International Food Policy Research Institute( Washington), and United Nations( Geneva).
Albert Châtelet
Albert Châtelet (24 October 1883 – 30 June 1960) was a French politician and mathematician.
François Châtelet
François Châtelet( 27 April 1925 – 26 December 1985) was a historian of philosophy, political philosophy and professor in the socratic tradition.
He was the husband of philosopher Noëlle Châtelet, the sister of Lionel Jospin.
François Châtelet (athlete)
François Châtelet( born 27 February 1939) is a French middle- distance runner.
He competed in the men's 800 metres at the 1964 Summer Olympics.
François Châtelet (mathematician)
François Châtelet (11 September 1912 – 19 April 1987, age 75) was a mathematician at the Université de Besançon who introduced the Weil–Châtelet group and Châtelet surfaces.
His father was the mathematician Albert Châtelet.
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.

Question: What nationality is François Châtelet (Mathematician)'s father?
Answer: French