Question: When did Floris Of Montmorency's mother die?

Knowledge 1: Floris of Montmorency
Floris van Montmorency, baron of Montigny(?, 1528 - Simancas, 14 October 1570) was a noble and diplomat from the Spanish Netherlands.He was born as the son of Jozef van Montmorency, Count of Nevele and Anna van Egmontthe Elder, and was the younger brother of Philip de Montmorency, Count of Horn.Floris had a military training at the court of his relative Anne de Montmorency, Constable of France.He accompanied Emperor Charles V to Spain after his abdication.At his return, Floris became a Knight in the Order of the Golden Fleece with the support of William the Silent and against the wishes of Philip II of Spain.He was also appointed as Governor of the Tournaisis.As the rest of the high nobility in Flanders, Floris was a strong opponent to Cardinal Granvelle.In April 1566, he was sent by the Council of State with John IV of Glymes to Spain in a last attempt to avoid war.As Glymes was wounded on the leg before leaving, Floris travelled alone.When the Beeldenstorm raged across the Low Countries, Floris was arrested and kept in house arrest in the castle at Simancas.When Egmont en Horn were arrested in Brussels, Floris was also condemned to death by the Council of Troubles.Instead of returning him to the Low Countries for his sentence to be executed, Philip II of Spain had Floris strangled in secret despite the pleas of his new wife Anna of Austria to release Floris, and spread the rumor that he had died of disease. [SEP] Knowledge 2: Anna van Egmont the Elder
Anna van Egmont the Elder (1504 – 1574) was the mother of executed counts Horn and Montigny.
Knowledge 1: Floris of Montmorency
Floris van Montmorency, baron of Montigny(?, 1528 - Simancas, 14 October 1570) was a noble and diplomat from the Spanish Netherlands.He was born as the son of Jozef van Montmorency, Count of Nevele and Anna van Egmontthe Elder, and was the younger brother of Philip de Montmorency, Count of Horn.Floris had a military training at the court of his relative Anne de Montmorency, Constable of France.He accompanied Emperor Charles V to Spain after his abdication.At his return, Floris became a Knight in the Order of the Golden Fleece with the support of William the Silent and against the wishes of Philip II of Spain.He was also appointed as Governor of the Tournaisis.As the rest of the high nobility in Flanders, Floris was a strong opponent to Cardinal Granvelle.In April 1566, he was sent by the Council of State with John IV of Glymes to Spain in a last attempt to avoid war.As Glymes was wounded on the leg before leaving, Floris travelled alone.When the Beeldenstorm raged across the Low Countries, Floris was arrested and kept in house arrest in the castle at Simancas.When Egmont en Horn were arrested in Brussels, Floris was also condemned to death by the Council of Troubles.Instead of returning him to the Low Countries for his sentence to be executed, Philip II of Spain had Floris strangled in secret despite the pleas of his new wife Anna of Austria to release Floris, and spread the rumor that he had died of disease. [SEP] Knowledge 2: John IV of Glymes
John IV of Glymes, 2nd Marquess of Berghes( 1528 – 1567), Grand Huntsman of Brabant, was a noble from the Low Countries.He was the son of Anthony of Glymes( 1500 – 1541) and Jacqueline de Croÿ, sister of Philippe II de Croÿ.He succeeded his father as Lord of Bergen op Zoom in 1541 under regency of his mother.As his ancestors, John IV was an important political figure of his time.In 1550, he married Maria of Lannoy, daughter of Jan van Lannoy, a Knight in the Order of the Golden Fleece.They had no surviving children.In 1554 he was sent to England, together with Lamoral, Count of Egmont, to arrange the marriage between Philip II of Spain and Mary I of England.< br>He participated in the War against France and was rewarded with the Order of the Golden Fleece in 1556.Four years later, he was appointed Stadtholder of Hainault.He was also a member of the Council of state.When the tensions between King Philip II, represented by his minister Antoine Perrenot de Granvelle, and the nobility of the Low Countries increased, he subscribed in 1565 the Compromise of Nobles, which was ignored by King Philip .<br>As a protestant, Glymes resigned as Stadtholder in January 1566, together with William of Orange, Floris of Montmorency, Lamoral, Count of Egmont and Philip de Montmorency, Count of Horn.In April 1566, he was sent with Floris of Montmorency to Spain in a last attempt to avoid war.He was wounded on the leg before leaving, when he was hit by a wooden ball whilst passing a ballgame, and died from complications in Segovia on May 23, 1567.By then, the Beeldenstorm had already raged across the Low Countries and the Duke of Alba was on his way to the Low Countries to" restore the order".
Knowledge 1: Floris of Montmorency
Floris van Montmorency, baron of Montigny(?, 1528 - Simancas, 14 October 1570) was a noble and diplomat from the Spanish Netherlands.He was born as the son of Jozef van Montmorency, Count of Nevele and Anna van Egmontthe Elder, and was the younger brother of Philip de Montmorency, Count of Horn.Floris had a military training at the court of his relative Anne de Montmorency, Constable of France.He accompanied Emperor Charles V to Spain after his abdication.At his return, Floris became a Knight in the Order of the Golden Fleece with the support of William the Silent and against the wishes of Philip II of Spain.He was also appointed as Governor of the Tournaisis.As the rest of the high nobility in Flanders, Floris was a strong opponent to Cardinal Granvelle.In April 1566, he was sent by the Council of State with John IV of Glymes to Spain in a last attempt to avoid war.As Glymes was wounded on the leg before leaving, Floris travelled alone.When the Beeldenstorm raged across the Low Countries, Floris was arrested and kept in house arrest in the castle at Simancas.When Egmont en Horn were arrested in Brussels, Floris was also condemned to death by the Council of Troubles.Instead of returning him to the Low Countries for his sentence to be executed, Philip II of Spain had Floris strangled in secret despite the pleas of his new wife Anna of Austria to release Floris, and spread the rumor that he had died of disease. [SEP] Knowledge 2: Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.

Answer: 1574