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.
Kathryn Tanner
Kathryn Eileen Tanner( born 1957) is Frederick Marquand Professor of Systematic Theology at Yale Divinity School.
Frederick of Denmark (bishop)
Frederick of Denmark( 13 April 1532–7 October 1556) was the youngest son of Frederick I of Denmark and Sophie of Pomerania.
He was the Prince- Bishop of Hildesheim and Bishop of Schleswig.
David Albert
David Z. Albert( b. 1954) is Frederick E. Woodbridge Professor of Philosophy and Director of the M.A. Program in The Philosophical Foundations of Physics at Columbia University in New York.
Frederick of Montbéliard
Frederick of Montbéliard or Frederick of Mömpelgard( died 29 June 1091) was from a noble family in Lotharingia.
Through marriage he became margrave of Turin( 1080 – 1091).
Louis Frederick, Duke of Württemberg-Montbéliard
Louis Frederick of Württemberg- Montbéliard( 29 January 1586 in Montbéliard – 26 January 1631 in Montbéliard) was the founder of a cadet line of the House of Württemberg known as the Dukes of Württemberg- Montbéliard.
Louis Frederick of Württemberg was born at Montbéliard Castle as the fifth child and second son of Duke Frederick I of Württemberg, and princess Sibylla of Anhalt.
Jan Breslow
Jan Leslie Breslow( born 1943) is an American physician and medical researcher who studies atherosclerosis.
As of 2017, he is Frederick Henry Leonhardt Professor at Rockefeller University and directs the university's Sackler Center for Biomedicine and Nutrition Research.
Duke Paul Frederick of Mecklenburg (1882–1904)
Duke Paul Frederick of Mecklenburg( given names:" Paul Frederick Charles Alexander Michael Hugh"; 12 May 1882 – 21 May 1904) was a member of the House of Mecklenburg- Schwerin and a German soldier and sailor.
He was styled" His Highness" Duke Paul Frederick of Mecklenburg.
Frederick I, Elector of Brandenburg
Frederick (Middle High German: "Friderich," Standard German: "Friedrich"; 21 September 1371 – 20 September 1440) was the last Burgrave of Nuremberg from 1397 to 1427 (as Frederick VI), Margrave of Brandenburg-Ansbach from 1398, Margrave of Brandenburg-Kulmbach from 1420, and Elector of Brandenburg (as Frederick I) from 1415 until his death.
He became the first member of the House of Hohenzollern to rule the Margraviate of Brandenburg.
Frederick of Altmark
Frederick III of Brandenburg, nicknamed the Fat, also the Younger (born: ; died: 6 October 1463 in Tangermünde) was Margrave of the Brandenburg and Lord of the Altmark.

Question: What nationality is Frederick Of Altmark's father?
Answer: German