Isabel de la Cerda
Isabel de la Cerda also known as" Isabel de la Cerda Pérez de Guzmán"( Seville c. 1329- after 1383) was the only surviving daughter of Luis de la Cerda and his first wife Leonor de Guzmán; she was Lady of Puerto de Santa María and titular Princess of Fortuna.
She was a member of the House de la Cerda.
Ferdinand de la Cerda, Lord of Lara
Fernando de la Cerda( 1275 – 1322) was the younger son of Ferdinand de la Cerda, Infante of Castile and his wife Blanche of France.
His elder brother was
Juan Alfonso de la Cerda
Juan Alfonso de la Cerda
( France, 1295- August 7, 1347) was Lord of Gibraleón, Huelva, Real de Manzanares and Deza.
He was the son of Alfonso de la Cerda, grandson of Ferdinand de la Cerda.
His mother was Matile of Brienne, daughter of John I of Brienne, Count of Eu. He married Maria Alfonso de Portugal( illegitimate daughter of King Denis of Portugal).
He served under Alfonso XI of Castile in the Siege of Algeciras( 1342- 1344), which culminated in the city's surrender in 1344.
Nepomuceno de la Cerda
Nepomuceno de la Cerda( 1752–1826) was a Spanish soldier of note, after whom the town of La Cerda, Texas, was named.
Alfonso de la Cerda
Alfonso de la Cerda, (Valladolid 1270 - Ávila 1333), called the disinherited, was the elder son of Ferdinand de la Cerda and his wife Blanche of France, and was a grandson of Alfonso X of Castile.
Alfonso and his brother Fernando were candidates for the Castilian-Leonese crown during the reigns of Sancho IV of Castile, Ferdinand IV of Castile and Alfonso XI of Castile.
In 1331, Alfonso renounced his rights and swore allegiance to Alfonso XI of Castile.
Violant of Aragon
Violant or Violante of Aragon, also known as Yolanda of Aragon (8 June 1236 – 1301), was Queen consort of Castile and León from 1252 to 1284 as the wife of King Alfonso X of Castile.
Ferdinand de la Cerda
Ferdinand de la Cerda (23 October 1255 – 1275) was the heir apparent to the Crown of Castile as the eldest son of Alfonso X and Violant of Aragon.
His nickname, "de la Cerda", means "of the bristle" in Spanish, a reference to being born with a full head of hair.
In November 1268 he married Blanche, the daughter of King Louis IX of France.
They had two sons:
Ferdinand became regent of Castile in November 1274 when his father left for Germany.
In May 1275 the Marinids from Morocco landed in Spain upon call from Muhammad II of Granada and attacked Castile.
Ferdinand raised troops and moved south from Burgos to defend the kingdom but died unexpectedly in Villa Real in August 1275 leaving Castile open to invasion.
His sons did not inherit the throne of their grandfather, since their uncle Sancho, who had repulsed the Moorish invasion, usurped the throne.
Charles de La Cerda
Charles de La Cerda, commonly known as Charles of Spain( 1327 – 8 January 1354 in L'Aigle), was a Franco- Castilian nobleman and soldier, the son of Alfonso de la Cerda" of Spain"( died 1327) and Isabelle d' Antoing, and grandson of Alfonso de la Cerda" the disinherited"( 1270 – 1333).
He was a distant cousin of John II of France.
A boyhood companion and favorite of John while he was Duke of Normandy, Charles commanded the Castilian galleys at the Battle of L'Espagnols- sur- Mer, where he was defeated by Edward III of England after a long and desperate struggle.
Soon after John's accession to the throne, he was appointed Constable of France, filling the vacancy left by the execution of Raoul II, Count of Eu, and created Count of Angoulême.
Vacant since the death of Joan II of Navarre in 1349, the title to Angoulême was claimed by her son, Charles II, King of Navarre, who bitterly resented La Cerda's preferment.
In 1351, Charles de La Cerda married Marguerite, a daughter of Charles, Duke of Brittany.
In 1354, Charles of Navarre and several members of his household set upon and slew de la Cerda in an inn.
The repercussions of this murder led to a continuous state of instability within France that was only resolved upon the accession of Charles V in 1364.
Buenaventura Fernández de Córdoba Spínola
Buenaventura Fernández de Córdoba- Figueroa y Spínola de la Cerda( or Buenaventura Córdoba Espinosa de la Cerda; 23 February 1724 – 6 January 1777) was a Spanish aristocrat and Catholic priest who became Patriarch of the West Indies and a Cardinal.
Juan Núñez III de Lara
Juan III
Núñez de
Lara y de la Cerda( born Juan Fdez.
de la Cerda y Núñez de Lara:
1313- Burgos, 28 November 1350), Lord of Lara and Vizcaya, son of Ferdinand de la Cerda( 1275 – 1322) and Juana Núñez de Lara" the Little Dove".
Despite belonging to the House de la Cerda and aspiring to the Castilian- Leonese throne during the reigns of Sancho IV of Castile, Ferdinand IV of Castile and Alfonso XI of Castile, he carried the family name of his mother which corresponded to the name of his lordship.
He was Lord of Biscay by his marriage to Maria Diaz de Haro II, daughter of Don Juan de Haro" the Eye".
He was also Lord of Villafranca, Oropesa, Torrelobatón, Lerma, Paredes de Nava, Castroverde and Aguilar.
Ensign of the King and Lord Steward of Alfonso XI of Castile.
He was a great- grandson of Alfonso X the Wise, King of Castile and León, and Louis IX, King of France.

Question: What is the date of death of Ferdinand De La Cerda's mother?
Answer: 1301