The first-born of this union, Infanta Maria of Portugal, married King Alfonso XI of Castile in 1328, at the same time that Afonso IV's heir, Peter I of Portugal, was promised to another Castilian infanta, Constance of Peñafiel.

By means of her mother, Catherine had a stronger legitimate claim to the English throne than King Henry VII himself through the first two wives of John of Gaunt, 1st Duke of Lancaster: Blanche of Lancaster and the Spanish Infanta Constance of Castile.

After Blanche's death, John married Constance, who had a claim to the kingdom of Castile, and John styled himself the king of Castile and León.

* date unknown – Constance of Penafiel, daughter of Juan Manuel (" El Scritor " de Castile ) ( d. 1345 )

** Constance of Castile, claimant to the throne of Castile

* September 21 – John of Gaunt, son of King Edward III of England, marries Constance of Castile, daughter of King Pedro of Castile, giving John of Gaunt a claim to the throne of Castile.

** Constance of Castile, wife of John of Gaunt ( d. 1394 )

* October 4 – Constance of Castile, Queen of France ( b. 1141 )

* May 8 – Alfonso VI of Castile marries Constance of Burgundy.

Hostilities between Portugal and the reunited kingdoms of León and Castile were terminated in 1297 by a treaty of alliance, in accordance with which Ferdinand IV of Castile married Constance, daughter of Dinis, while Afonso, son of Denis, married Beatrice of Castile, daughter of Ferdinand.

Ferdinand appealed to John of Gaunt, who also claimed the throne of Castile, on behalf of his wife, Infanta Constance of Castile, daughter of Peter of Castile.

His younger half-sister Catherine, the daughter of his father's second wife, Constance of Castile, was queen consort of Castile.

In 1154 Louis VII married Constance of Castile, daughter of Alfonso VII of Castile.

By Constance of Castile:

He was a son of Peter III of Aragon and his Queen consort Constance of Sicily, daughter and heiress of Manfred of Sicily.

The Dowager Queen Constance was anxious for her son's life and she escaped with King Ladislaus to the court of Leopold VI, Duke of Austria.

She was not aided by memories of Queen Constance, the Provençal wife of Robert II, tales of whose immodest dress and language were still told with horror.

He married Queen Constance of Sicily, and a death in his wife's family in 1194 gave him possession of the Kingdom of Sicily, a source of vast wealth.

* Queen Constance of Sicily, wife of Henry VI, Holy Roman Emperor ( d. 1198 )

Rejected by the Pope, the Sicilians now appealed to King Peter and Queen Constance ; he duly accepted, and landed at Trapani on 30 August 1282.

* November 27 – Queen Constance of Sicily, wife of Henry VI, Holy Roman Emperor ( b. 1154 )

His other legitimate descendants included, by his first wife, Blanche, his daughters Queen Philippa of Portugal and Elizabeth, Duchess of Exeter ; and by his second wife, Constance, his daughter Queen Catherine of Castile.

In 1185 Henry VI, son of Barbarossa, was crowned king at Monza, on the occasion of his marriage to Constance, Queen of Sicily, heir to the Norman Kingdom.

Queen Constance died first in 18 November 1313, followed by Infante John and Infante Peter during a military campaign against Granada in 1319, which left Dowager Queen María as the only regent until her death in 1 July 1321.

* Constance of Sicily ( 1154 – 1198 ), Queen of Sicily

* Constance of York ( an ancestor of Queen Anne Neville )

Milady fails continuously in killing d ' Artagnan and he is informed that the Queen has managed to save Constance from the prison.

Robert gave shelter to Henry I of France against his mother, Queen Constance, who favored her younger son Robert to succeed to the French throne after his father Robert II.

In 1094, her father married her to a French nobleman, Henry of Burgundy, nephew of Queen Constance, a brother of the Duke of Burgundy, a descendant of the kings of France in the male line.

< span id =" Charles George Cornwallis Eliot "> Charles George Cornwallis Eliot </ span >, ( 16 October 1839 – 22 May 1901 ), courtier and soldier, succeeded Alpin McGregor as a Gentleman Usher Daily Waiter to Queen Victoria in 1899, married on 26 October 1865 Constance Rhiannon Guest, daughter of Sir John Josiah Guest, Bt and Lady Charlotte Guest.

Image: Konstancja Austriaczka. jpg | Queen Constance of Austria, Pieter Claesz.

In 1916, Lord Granville married Lady Rose Constance Bowes-Lyon, the second surviving daughter of the 14th Earl of Strathmore and Kinghorne, and elder sister of Queen Elizabeth the Queen Mother.

Oliver Stanley and had issue: ( i ) Michael Charles Stanley ( 1921 – 1990 ), who married ( Aileen ) Fortune Constance Hugh Smith and had two sons ; and ( ii ) Kathryn Edith Helen Stanley DCVO ( 1923 – 2004 ), Lady-in-Waiting to Queen Elizabeth II from 1955 to 2002 and who married Sir John Dugdale KCVO ( 1923 – 1994 ) and had two daughters and two sons, one of whom, Henry Dugdale ( b. 1963 ) is married to Litia Mara Dugdale.

Despite being one of the most powerful magnates in the Polish-Lithuanian Commonwealth, both of his marriages ( with Regina von Eisenreich in 1619, court lady of Queen Constance and after her death in 1637 with Anna Krystyna Działyńska ( z Lubomirskich ) in 1638 ) were childless.

* Robert II, King of France marries for the third time, with Constance Taillefer d ' Arles.

* Robert II of France marries Constance of Arles.

* Princess Constance of France, daughter of Robert II the Pious

# Constance ( c. 1138 – 1160 ), married Louis VII of France

On 2 November 1160, he was betrothed to Margaret of France, daughter of King Louis VII of France and his second wife, Constance of Castile, when he was 5 years of age and she was 2.

In 1416 he joined King Sigismund in France and they travelled together back to Constance.

In 1137, he did homage for Normandy to Louis VII of France, whose sister, Constance, he subsequently married in 1140 ( as a widow she remarried to Count Raymond V of Toulouse ).

Bohemond came to France to seek by any means he could the hand of the Lord Louis ' sister Constance, a young lady of excellent breeding, elegant appearance and beautiful face.

He was the son of the founder of the principalities, Bohemond I, and Constance, daughter of Philip I of France.

Tony despises the thought of marrying Constance — he prefers a barmaid at the alehouse — and so agrees to steal the jewels from his mother's safekeeping for Miss Neville, so she will then flee to France with Hastings.

Hastings is also an educated man who cares deeply about Constance, with the intention of fleeing to France with her.

She is also partly selfish, wanting Neville to marry her son to keep the jewels in the family ; she's blissfully unaware however, that Tony and Neville despise each other, and that Constance is in fact planning to flee to France with Hastings.

Sigismund, Holy Roman Emperor, through whose influence the council had been assembled, was absent during the whole of 1416 on a diplomatic mission in France and England ; but when he returned to Constance in January 1417, as the open ally of the English king, Hallam as Henry V's trusted representative obtained increased importance, and contrived to emphasize English prestige by delivering the address of welcome to Sigismund.

She seduces her guard, who then assassinates Lord Buckingham, and escapes to the monastery in France where the queen secreted Constance.

On her return to France Milady hides in a convent, where she discovers Constance Bonacieux is also staying.

* Constance of Castile ( 1141-1160 ), wife of Louis VII of France

Baldwin was the eldest son of Baldwin V of Flanders and Adela of France, Countess of Flanders, a daughter of king Robert II of France and Constance of Arles.

1185 / 1186: Marguerite of France ( born 1158 ) ( 1158 – after 10 September 1197 ), daughter of King Louis VII of France and his second wife, Constance of Castile

The Church of France had upheld and practised them at all times ; the Church Universal had believed and practised them of old, until about the tenth century ; St. Louis had supported, but not created, them by the Pragmatic Sanction ; the Council of Constance had taught them with the pope's approbation.