Sophia Olelkovich Radziwill
Sophia Olelkovich Radziwill (Saint Sophia of Slutsk, Princess Sophia of Slutsk; May 1, 1585 – March 19, 1612) was a Lithuanian Orthodox Christian saint.
She was the last descendant of the family Olelkovich-Slutsk (princes of Slutsk and Kopyl) who were descended from Prince Algirdas.
She was canonized by the Orthodox Church in 1983.
The church of St. Sophia of Slutsk in Minsk is named after her.
Sophia of Minsk
Sophia of Minsk or Sophia of Polotsk( c. 1140 – 5 May 1198) was a Danish queen consort by marriage to King Valdemar I of Denmark, and a landgravine of Thuringia by marriage to Louis III, Landgrave of Thuringia.
Sophia Jagiellon, Margravine of Brandenburg-Ansbach
Sophia of Poland( 6 May 1464 – 5 October 1512), was a princess, member of the Jagiellonian dynasty, great grand daughter of Emperor Sigismund and by marriage Margravine of Brandenburg- Ansbach and Brandenburg- Kulmbach.
Born in Kraków, she was the second daughter of Grand Duke of Lithuania and King Casimir IV of Poland and his wife Archduchess Elisabeth of Austria, daughter of the German king Albrecht.
She was named after her paternal grandmother, Sophia of Halshany, Queen of Poland.
Sophia was baptised by John Gruszczynski, Bishop of Krakow.
There is no information available concerning Sophia's upbringing or education.
John IV, Duke of Saxe-Lauenburg
John IV of Saxe- Lauenburg( *?– 1414*) was a son of Duke Eric IV of Saxe- Lauenburg and Sophia of Brunswick- Lüneburg.
Pierre Morel-À-L'Huissier
Pierre Morel- À-L'Huissier( born December 21, 1958 in Strasbourg) is a member of the National Assembly of France.
He represents the Lozère department, and is a member of the Republicans.
Pierre Morel (cyclist)
Pierre Morel( born 10 September 1930) is a French former professional racing cyclist.
He rode in the 1960 Tour de France.
Floris III, Count of Holland
Floris III of Holland( 1141 – August 1, 1190), Count of Holland from 1157 to 1190.
He was a son of Dirk VI and Sophia of Rheineck, heiress of Bentheim.
Princess Katherine of Greece and Denmark
Princess Katherine of Greece and Denmark( 4 May 1913 – 2 October 2007), styled in the UK as Lady Katherine Brandram from 1947 till her death, was the third daughter and youngest child of King Constantine I of Greece and Sophia of Prussia.
Pierre Morel
Pierre Morel( born 12 May 1964) is a French film director and cinematographer.
His work includes" District 13 From Paris with Love", and" Taken."
Sophia of Halshany
Sophia of Halshany or Sonka Olshanskaya( – September 21, 1461 in Kraków) was a Grand Duchy of Lithuania princess of Halshany.
As the fourth and last wife of Jogaila, King of Poland and Supreme Duke of Lithuania, she was Queen consort of Poland( 1422 – 1434).
As the mother of Władysław III, King of Poland and Hungary, and Casimir IV, Grand Duke of Lithuania and King of Poland, she was the mother of the Jagiellon dynasty.

Question: Are Pierre Morel (Cyclist) and Sophia Of Halshany of the same nationality?
Answer: no