Alfonso was the eldest son of Prince Francisco de Asis de Borbón-Dos Sicilias and Queen Isabel II, whose reign was marked by a constant political crisis which had several causes.

* John ( 1331 – 1358 ), Lord of Elche, Biel and Bolsa, married in 1355 to Isabel Núñez de Lara and was killed by order of his cousin Pedro of Castile.

* António da Costa de Albuquerque de Sousa Lara, 2nd Count de Guedes, Vasco de Bettencourt de Faria Machado e Sampaio and Marcelo Olavo Correia de Azevedo, Ascendências Reais de Sua Alteza Real a Senhora Dona Isabel de Herédia Duquesa de Bragança, I, pelos Costados Herédia, Bettencourt e Meneses da Ilha da Madeira " ( Universitária Editora, 1999 )

es: Isabel I de Inglaterra

gl: Isabel I de Inglaterra

pt: Isabel I de Inglaterra

ca: Isabel d ' Este ( duquessa de Màntua )

es: Isabel de Este

**** Isabel de Tolosa Cortés de Moctezuma ( 1568-1619 / 1620 ), Mexican heiress, wife of conqueror and explorer Don Juan de Onate, granddaughter of Hernan Cortés and great-granddaughter of Moctezuma II

In 1528, Isabel de Moctezuma, an heir of Moctezuma II, was married to Alonso de Grado, a Spanish Conquistador.

Ships of the Spanish explorer Álvaro de Mendaña de Neira first sighted Santa Isabel island on 6 February 1568.

In 1561 Luis de León, a Spanish lyric poet and an Augustinian friar, translated the Song of Songs into Spanish for his cousin, Isabel Osorio, a nun who could not read the Latin text, and wrote an accompanying commentary.

** Isabel de Clare, 4th Countess of Pembroke ( d. 1220 )

During the old king's last days he had promised the Marshal the hand and estates of Isabel de Clare ( c. 1172 – 1220 ), but had not completed the arrangements.

# Isabel Marshal ( 9 October 1200 – 17 January 1240 ), married ( 1 ) Gilbert de Clare, 5th Earl of Hertford, whose daughter Isabel de Clare married Robert Bruce, 5th Lord of Annandale, the grandfather of Robert the Bruce ; ( 2 ) Richard Plantagenet, Earl of Cornwall

Dawn of the White Rose ( 1985 ) is the one about William Marshal and Isabel de Clare.

Firstly, on 30 March 1231, at St Mary's Church at Fawley in Buckinghamshire, to Isabel Marshal, widow of Gilbert de Clare, Earl of Gloucester and Hertford, and daughter of William Marshal, 1st Earl of Pembroke.

* A Shield of Roses ( 1984 ) about Sir Richard fitzGilbert de Clare and Lady Eve MacMurrough, the parents of Isabel de Clare

* Dawn of the White Rose ( 1985 ) about William Marshal and Isabel de Clare, the parents of William fitzWilliam Marshal

When Gilbert died in 1185, his sister Isabel de Clare became Countess of Pembroke in her own right ( suo jure ) until her death in 1220.

In August 1189, at the age of 43, William Marshal, held by many to be the greatest knight in Christendom, was given the hand of Isabel de Clare, and, in 1199, was created the 1st Earl of Pembroke by King John.

* Isabel de Clare ( 1226 – 1264 ), who married the 5th Lord of Annandale

A marriage between Guy and Isabel de Clare, daughter of Gilbert de Clare, 6th Earl of Hertford, was contemplated, or possibly even took place and then annulled.

The king found important positions for all of them ; William was soon married to a great heiress, Joan de Munchensi or Munchensy ( c. 1230 – after 20 September 1307 ), the only surviving child of Warin de Munchensi, lord of Swanscombe, and his first wife Joan Marshal, who was one of the five daughters of William Marshal, 1st Earl of Pembroke and Isabel de Clare, 4th Countess of Pembroke suo jure.

Richard was the son of Gilbert de Clare, 1st Earl of Pembroke and Isabel de Beaumont.

* Isabel de Clare, 4th Countess of Pembroke, who became Countess of Pembroke in her own right in 1185 ( on the death of her brother ) until her own death in 1220.

In late 1206 or early 1207, Hugh married Maud Marshal ( 1192-27 March 1248 ), daughter of William Marshal, 1st Earl of Pembroke ( 1147 – 1219 ), Marshal of England, by his wife Isabel de Clare, 4th Countess of Pembroke.

Richard de Clare, 5th Earl of Hertford, 6th Earl of Gloucester ( 4 August 1222 – 14 July 1262 ) was son of Gilbert de Clare, 4th Earl of Hertford and Isabel Marshal.

: Isabel de Clare, b. ca.

In February 1231 William also returned to England, and arranged the marriage of his sister Isabel, widow of Gilbert de Clare, 5th Earl of Hertford, to Richard, Earl of Cornwall, brother to King Henry III.

# Isabel ( 1195 – 1253 ), married Roger Bigod, 4th Earl of Norfolk.

His mother, John's cousin, was Adela, a daughter of Hamelin de Warenne and Isabel de Warenne, 4th Countess of Surrey.

He had one daughter, Isabel de Warenne ( 1137 – 1199 ), who married William of Blois, son of King Stephen, who became the 4th earl.

William of Blois had married Isabel de Warenne, 4th Countess of Surrey in her own right, in 1148.

Ana Isabel de Palacio y del Valle-Lersundi ( born 22 July 1948 ) in Madrid, daughter of Luis María de Palacio y de Palacio, 4th Marqués de Matonte, and wife Luisa Mariana del Valle-Lersundi y del Valle, was Spain's Minister for Foreign Affairs in the People's Party ( PP ) government of José María Aznar from July 2002-March 2004.

* Robert de Brus, 4th Lord of Annandale, ( 1211 x 1212 – 1226 x 1233 ), married Isabel, second daughter of David of Scotland

In order to remarry, John first needed to abandon Isabel, Countess of Gloucester, his first wife ; John accomplished this by arguing that he had failed to get the necessary papal permission to marry Isabel in the first place – as a cousin, John could not have legally wed her without this.

John's first wife, Isabel, Countess of Gloucester, was released from imprisonment in 1214 ; she remarried twice, and died in 1217.

** Isabel Macduff, 9th Countess of Fife

* October 2 – Isabel of Cambridge, Countess of Essex, descendant of Edward III of England

Meilyr's defeat by Countess Isabel led to her husband's return to Leinster.

* 1438-Chapel of Isabel ( Countess of Warwick ) built

He was a younger brother of Isabel, Countess of Essex.

*" G, please send to the Lady Countess of Arundel, Isabel, that she is to send you the book about St Thomas the Martyr and St Edward which I copied ( translated?

* Henry Rich, 1st Earl of Holland ( 1590 – 1649 ), married Isabel Rich, Countess of Holland ( d. 1655 )

* Isabel de Redvers, 8th Countess of Devon ( 1237 – 1293 ), sister

* Murdoch Stewart, Duke of Albany ( 1362 – 1425 ) ( Married Joan Douglas and later to Isabel, Countess of Lennox ).

The origins of the title are unclear, but is known that in 1404, a man named Alexander Stewart forced the suo jure Countess, Isabel Douglas, to sign a charter conveying the peerage to him and his heirs.

* Isabel de Warenne, Countess of Surrey ( d. 1203 )

* Grover Cleveland ( descendant of Edward I of England through Isabel le Despenser, Countess of Arundel, Elizabeth de Bohun, Countess of Arundel, Margaret, Duchess of Norfolk and Eleanor de Bohun, Countess of Ormonde ) ( Chart 3 alongside )

* Isabel, 3rd Countess of Gloucester ( d. 1217 ) held by husband after 1189, again by her in her own right from 1216 onward.

* 1440-the Splott is mentioned as bounding certain lands of Isabel le Despenser, Countess of Worcester and Warwick.