Tsandzile Dlamini
Tsandzile Dlamini is a princess of Swaziland who currently serves as Minister of Home Affairs.
Christian of Oliva
Christian of Oliva, also Christian of Prussia( died 4 December 1245) was the first missionary bishop of Prussia.
Sophie, Princess of Prussia
Sophie Johanna Maria, Princess of Prussia( née" Princess of Isenburg", born 7 March 1978) is the wife of Georg Friedrich, Prince of Prussia, head of the House of Hohenzollern, members of which reigned as kings of Prussia and as German emperors until deposed in 1918.
Princess Esra
Princess Qhabl Begum Sahiba Esra Birgen (born 1936) is a princess belonging to the Asaf Jah Dynasty of Hyderabad state by marriage.
She was married to Prince Mukarram Jah.
Princess Esra is a princess by marriage not by birth.
Ernst-Johann Biron, Prince of Courland
Ernst- Johann Karl Oskar Eitel- Friedrich
Peter Burchard, Prince Biron von Courland( born 6 August 1940) is the senior male- line descendant of Ernst Johann von Biron, and as such heir to the Duchy of Courland and Semigallia.
He was born in Berlin, the eldest son of Karl, Prince Biron of Courland( 1907- 1982), and Princess Herzeleide of Prussia( 1918- 1989), the daughter of Prince Oskar of Prussia( a son of Emperor William II) and Augusta Viktoria of Schleswig- Holstein.
Prince Ernst- Johann succeeded his father as head of the Biron family following his death on 28 February 1982.
He is also a Knight of Justice( and, since 2008, an honorary commander in the Commandery of Silesia) of the" JohanniterordenJohannine Order"), to which he was admitted in 1940 and whose grand master is his cousin Prince Oskar of Prussia( Prince Ernst- Johann's uncles and grandfather had headed the Order throughout most of the twentieth century).
He is in line to the British throne through his descent from Queen Victoria's daughter, Victoria, Princess Royal.
Countess Ina Marie von Bassewitz
Princess Oskar of Prussia, Countess of Ruppin (27 January 1888 – 17 September 1973) was a German aristocrat and the wife of Prince Oskar of Prussia.
Princess Herzeleide of Prussia
Princess Herzeleide-Ina-Marie Sophie Charlotte Else of Prussia (25 December 1918 – 22 March 1989) was a member of the deposed House of Hohenzollern.
She was the only daughter of Prince Oskar of Prussia (the second youngest son of Emperor Wilhelm II) and his initially morganatic wife, Countess Ina Marie von Bassewitz.
She is the mother of Ernst-Johann Biron, Prince of Courland, the current head of the House of Biron.
Princess Charlotte of Prussia (1831–1855)
Princess Charlotte of Prussia( 21 June 1831 – 30 March 1855), was by birth a Princess of Prussia and member of the House of Hohenzollern and by marriage Hereditary Princess of Saxe- Meiningen.
She was the eldest child and daughter of Prince Albert of Prussia( younger son of Frederick William III of Prussia and Louise of Mecklenburg- Strelitz) and his first wife Princess Marianne of the Netherlands( daughter of William I of the Netherlands and Wilhelmine of Prussia).
Princess Elisabeth of Prussia
Princess Elisabeth of Prussia( 18 June 1815 – 21 March 1885) was the second daughter of Prince Wilhelm of Prussia and Landgravine Marie Anna of Hesse- Homburg and a granddaughter of Frederick William II of Prussia.
Prince Philip, Duke of Edinburgh is her great- great- grandson.
Princess Sumaya bint Hassan
Sumaya bint Hassan( born 14 May 1971) is a princess of Jordan.

Question: Which country Princess Herzeleide Of Prussia's mother is from?
Answer: German