John VI, Count of Harcourt
John VI of Harcourt( or John of Vaudémont)
( 1 December 1342 – 28 February 1389) was a count of Harcourt.
He was son of John V of Harcourt and Blanche of Ponthieu who was the sister of Jeanne of Ponthieu.
He succeeded to his father's counties of Aumale and Harcourt and barony of Elbeuf on his execution in 1356 In 1359 John married Catherine( 1342 – 1427), daughter of Peter I, Duke of Bourbon.
They had the following children:
Hans Siemsen
Hans Siemsen( Pseudonym: Pfarrer Silesius; 27 March 1891, in Hamm – 23 June 1969, in Essen) was a German writer and journalist.
Hans was a theatre and film critic in the Weimar Republic working for" Die Weltbühne" and the" 8 Uhr- Abendblatts" and other newspapers.
He was one of the first critics to appreciate Charlie Chaplin and also praised Asta Nielsen.
He was also interested in the visual arts, friendly with both Alfred Flechtheim and Renée Sintenis.
Alfred Harcourt
Alfred Harcourt( January 31, 1881 – June 20, 1954) was an American publisher and compiler who co-founded Harcourt, Brace& Howe in 1919.
Ray Obiedo
Ray Obiedo( born January 27, 1952 in Richmond, California) is an American contemporary jazz guitarist.
Obiedo grew up in Richmond, California, and began playing guitar at age 17.
Initially he played both jazz and R&B, appearing on record with Herbie Hancock, Julian Priester, and Sheila E.
He was the leader of the jazz fusion group Kick and the rock band Rhythmus 21.
In 1989 he signed with Windham Hill Records, with whom he released five albums in eight years.
George Harcourt
George Granville Harcourt(" né" Venables- Harcourt and Vernon- Harcourt, 6 August 1785 – 19 December 1861) was a British Whig and then Conservative Party politician.
Anne Pierre d'Harcourt
Anne Pierre d'Harcourt was a French nobleman, notable as a duke of Harcourt and the fourth marshal of France from the House of Harcourt.
He was the son of Henry d'Harcourt and great grandson of Abraham de Fabert, both marshals of France.
He married Thérèse Eulalie de Beaupoil de Saint Aulaire and had 5 children, including François-Henri d'Harcourt.
Albert Onyeawuna
Albert Onyeawuna( died 21 April 2014) was a Nigerian footballer.
He played club football for Port Harcourt, and also made 26 appearances for the Nigerian national team between 1955 and 1964, scoring 7 goals.
Charles, Count of Marsan
Charles de Lorraine( 8 April 1648 – 13 November 1708) was the Count of Marsan.
He was the youngest son of the Count of Harcourt and brother of the Chevalier de Lorraine.
Austin Opara
Austin Adiele Opara,( born 28 August 1963) is a Nigerian politician of the People's Democratic Party.
He was raised in Diobu, Port Harcourt and is of the Ikwerre tribe.
Donald Brace
Donald Clifford Brace( December 27, 1881, West Winfield, New York – September 20, 1955) was an American Publisher and Founder of Harcourt, Brace& Howe in 1919.
Brace graduated from Columbia College of Columbia University in 1904 with fellow grad Alfred Harcourt, with whom he founded the Harcourt, Brace, Jovanovich publishing company.

Question: Are both Alfred Harcourt and Ray Obiedo from the same country?