Joseph Friedrich Ernst, Prince of Hohenzollern-Sigmaringen
Prince Joseph Ernst Friedrich Karl Anton Meinrad of Hohenzollern-Sigmaringen (24 May 1702 in Sigmaringen – 8 December 1769 at Haag Castle, Haigerloch) was the fifth Prince of Hohenzollern-Sigmaringen.
He ruled from 1715 to 1769.
Infanta Antónia of Portugal
Infanta Antónia of Portugal (or of Braganza; ; "Antónia María Fernanda Micaela Gabriela Rafaela Francisca de Assis
Ana Gonzaga
Silvéria Júlia Augusta de Saxe-Coburgo e Bragança"; 17 February 1845 – 27 December 1913) was a Portuguese "infanta" (princess) of the House of Braganza, daughter of Queen Maria II of Portugal and her King consort Ferdinand II of Portugal.
Through her father, she also held the titles of Princess of Saxe-Coburg and Gotha and Duchess of Saxony.
Frederick XII, Count of Hohenzollern
Friedrich XII, Count of Hohenzollern, nickname Friedrich the Oettinger( before 1401 – 1443) was a German nobleman.
He was a member of the Swabian branch of the House of Hohenzollern.
His father was Friedrich XI, Count of Hohenzollern; his younger brother and rival was Eitel Friedrich I, Count of Hohenzollern.
Karl Anton, Prince of Hohenzollern
Prince Karl Anton of Hohenzollern- Sigmaringen( 7 September 1811 – 2 June 1885) was head of the Princely House of Hohenzollern- Sigmaringen, Hohenzollern from 1869 and Prime Minister of Prussia.
He was the son of Karl, Prince of Hohenzollern- Sigmaringen, who abdicated in favour of his son on 27 August 1848, and his first wife Marie Antoinette Murat, niece of Joachim Murat.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Frederick XI, Count of Hohenzollern
Friedrich XI, Count of Hohenzollern( died 26 November 1401), nicknamed" Friedrich the Elder" was a German nobleman.
He was a member of the House of Hohenzollern and a ruling Count of Hohenzollern- Hechingen.
Wilhelm Herchenbach
Wilhelm Herchenbach(* November 13, 1818 in Neunkirchen; † December 14, 1889 in Düsseldorf) was a 19th- century German author.
Having attended school in Neunkirchen, Wilhelm Herchenbach decided to become a teacher himself.
He taught in the town of Düsseldorf, where he also founded his own boys' school in 1850.
In between 1852 and 1854 Wilhelm became the private teacher of Stephanie of Hohenzollern( the daughter of Prince Karl Anton of Hohenzollern- Sigmaringen), the future queen of Portugal; he also taught the kids of Robert and Clara Schumann, while their parents were touring in Europe.
From 1868 onwards, Wilhelm Herchenbach focused on writing, and by the time of his death in 1889, his works comprised over 300 books.
Most books were renarrations of local folk tales or told stories of his own imagination and were usually targeted at young readers, centering around issues of( Christian) morality.
But Wilhelm also wrote novels with an historical background, travelogues and books of educational intent.
His works once had a quite high circulation and were translated into several other languages( like English, French, Dutch etc.).
Publication of the books ceased in the 1930s.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Prince Boris of Leiningen
Prince Karl" Boris" Frank Markwart of Leiningen( born 17 April 1960) is the elder son of Prince Karl of Leiningen and of his wife, Princess Marie Louise of Bulgaria.
As a third great- grandson of Queen Victoria, he is in the line of succession to the throne of Canada and those of the other Commonwealth realms.
Prince Karl Anton of Hohenzollern
Prince Karl Anton of Hohenzollern-Sigmaringen  (1 September 1868 – 21 February 1919) was a member of the Princely House of Hohenzollern-Sigmaringen.
Karl Anton was the third and youngest son of Leopold, Prince of Hohenzollern and his wife Infanta Antónia of Portugal.
Karl Anton's elder brothers were William, Prince of Hohenzollern and Ferdinand I of Romania.

Question: Who is Prince Karl Anton Of Hohenzollern's maternal grandmother?