Casto Nopo
" This name uses Spanish naming customs: the first or paternal family name is Evuna and the second or maternal family name is Ada."
Casto Nopo Abeso Evuna Ada( born 23 February 1973) is an Equatoguinean professional football manager and former football players.
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).
Alex Katz
Alex Katz born July 24, 1927, is an American figurative artist known for his paintings, sculptures, and prints.
He is represented by numerous galleries internationally.
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.
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.
Karina Smigla-Bobinski
Karina Smigla- Bobinski( 1967) is a German- Polish intermedia artist, working primarily in new media art and digital art, based in Berlin and Munich.
Her work bridges kinetic art, drawing, video, installation, painting, performance and sculpture.
Her works have been exhibited in Europe, Asia, North America and South America.
One of her major works is" ADA", a large, interactive kinetic sculpture and drawing machine.
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).
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.
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.
Ada Katz
Ada Del Moro Katz (born 1928 in Bronx, New York) is the wife and model of Alex Katz.

Question: What nationality is Ada Katz's husband?
Answer: American