Alfonso XI of Castile
Alfonso XI of Castile (13 August 131126 March 1350), called the Avenger ("el Justiciero"), was the king of Castile, León and Galicia.
He was the son of Ferdinand IV of Castile and his wife Constance of Portugal.
Upon his father's death in 1312, several disputes ensued over who would hold regency, which were resolved in 1313.
Once Alfonso was declared adult in 1325, he began a reign that would serve to strengthen royal power.
His achievements include solving the problems of the Gibraltar Strait and the conquest of Algeciras.
Ventura García-Sancho, Marquess of Aguilar de Campoo
Ventura García- Sancho e Ibarrondo, 1st Count of Consuegra( Mexico City, Mexico, 20 April
1837 – Madrid, Spain, 20 July 1914) better known by his spouse's title Marquess of Aguilar de Campoo, was a Mexican- Spanish nobleman and politician who served twice as Minister of State and as Mayor of Madrid between 1899 and 1900.
Sancho Alfonso, 1st Count of Alburquerque
Sancho Alfonso de Castilla( 1342–1374) is known in Spanish as" Don Sancho Alfonso de Castilla, Infante de Castilla, I conde de Alburquerque".
He was the ninth of the ten illegitimate children of King Alfonso XI of Castile and Lady Eleanor de Guzmán.
He was born in Seville.
He participated in a revolt of the Castilian nobles against the despotic rule of his brother, Pedro of Castile.
In 1373 he married Beatrice of Portugal, daughter of Peter I of Portugal and Inês de Castro.
They had two children: Fernando Sánchez, 2nd Count of Alburquerque, and Eleanor of Alburquerque, who married Ferdinand I of Aragon.
He also had an illegitimate daughter, Leonor Sánchez de Castilla, who married Fadrique de Castilla y Ponce de Leon, illegitimate son of Henry II, King of Castile.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
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.
Mona Hopton Bell
Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.
She was the grandmother of the painter Jean H. Bell.
Alfonso de Castilla y Molina
Alfonso de Castilla y Molina( 1286 in Valladolid – 1291 in Valladolid) was a Spanish noble in the service of the Kingdom of Castile.
He was an Infante de Castilla, son of King Sancho IV de Castilla, King of Castile and of his wife, the Queen María de Molina.
Tello Alfonso, Lord of Aguilar de Campoo
Tello Alfonso of Castile (1337 – October 1370) was the seventh of the ten illegitimate children of Alfonso XI of Castile and Eleanor of Guzman.
He was a prince of Castile and First Lord of Aguilar de Campoo.
In Spanish he is known as "Tello de Castilla, Infante de Castilla; Señor de Aguilar de Campoo, de Vizcaya, de Castañeda y de Lara".
Francisco de Tello de Guzmán
Francisco de Tello de Guzmán( sometimes" Francisco Tello de Guzmán"; 1532- April 1603) was Spanish governor of the Philippines from July 14, 1596 to May 1602.
He was a knight of the Order of Santiago.

Question: Who is Tello Alfonso, Lord Of Aguilar De Campoo's paternal grandmother?
Answer: Constance of Portugal