Valdemar married Sofia of Denmark ( died 1286 ) in 1260 and they separated in 1277.

On 8 November 1273, Andronikos II married Anne of Hungary ( 1260 – 1281 ), daughter of the king Stephen V of Hungary.

# Agnes of France ( c. 1260 – 19 December 1327 ), married Robert II, Duke of Burgundy

# Alfonso ( 1229 – 1260 ), married Constance of Montcada, Countess of Bigorre

* Anna Palaiologina ( c. 1260 – 1299 / 1300 ), who married Demetrios / Michael Komnenos Doukas, third son of Michael II of Epirus

# Marie ( c. 1190 – May 1260 ), married in Maastricht after May 19, 1214 Otto IV, Holy Roman Emperor, married July 1220 Count William I of Holland

: Richard de Cornwall ( 1252 – 96 ) who married Joan Saint Owen ( born 1260 ) and had children.

# Constance ( 1245 / 46 – 8 October 1281 ), married in 1260 to Conrad, Margrave of Brandenburg-Stendal.

Three years after Przemysł I's death ( in 1260 ), Constance and Conrad were formally married.

# Agnes ( c. 1260 – 19 December 1327 ), married Robert II, Duke of Burgundy

** Hugh, viscount of Avallon ( 1260 – 1288 ), married Marguerite of Burgundy, daughter of John I of Burgundy, Count Palatine.

** Beatrice, Lady of Grignon ( ca. 1260 – 1329 ), married Hugh XIII, count of La Marche

On 22 January 1260, John married Beatrice of England, a daughter of King Henry III of England and Eleanor of Provence.

Duke Arthur II of Dreux married twice, first to Mary of Limoges ( 1260 – 1291 ), then to Yolande of Dreux, countess of Montfort ( 1263 – 1322 ) and widow of king Alexander III of Scotland.

* 1216 – 1260: Matilda II ( also queen of Portugal, countess of Mortain, countess of Aumale, and countess of Dammartin, married )

* 1260 – 1261: Adelaide ( cousin of, married William III, count of Auvergne )

Thomas's daughter Margery, who married Alexander Luttrell of Somerset, sold the majority of Royton and its outlying land to John de Byron in around 1260.

* Beatrix ( c. 1260 – April 5, 1291 ), married c. 1270 Floris V, Count of Holland

Lord Arundel married Isabella Mortimer ( died 1292 ), daughter of Roger Mortimer, 1st Baron Wigmore and Maud de Braose in 1260.

# Isabel Ferrers ( died before 26 November 1260 ), married ( 1 ) Gilbert Basset, of Wycombe, and ( 2 ) Reginald de Mohun

* Laure ( Laura ) ( d. 1270 ), married to Fernando ( Ferdinand ) II, Count of Aumale ( 1239 – 1260 )

One daughter from his second marriage, Christina ( or Christiana ) ( d. 1246 ), married William de Forz ( d. 1260 ).

* James ( c. 1240 – July 18, 1276 ), count of Jaffa and Ascalon 1266, married Marie of Montbéliard c. 1260

` Abdu ' l-Bahá was born in Tehran, Iran on 23 May 1844 ( 5th of Jamadiyu ' l-Avval, 1260 AH ), the eldest son of Bahá ' u ' lláh and Navváb.

For this purpose, during 1254 – 1255 Przemysł I tried to establish warmer relations with Brandenburg with the betrothal of his eldest daughter Constance with Conrad, son of John I, Margrave of Brandenburg ( the marriage took place after Przemysł I's death, in 1260 ); however, this event proved to be a political fiasco, because thanks to this union, later the House of Ascania claim rights over western Greater Poland.

After the death of her eldest son Louis in 1260, Margaret induced the next son, Philip, to swear an oath that no matter at what age he succeeded to the throne, he would remain under her tutelage until the age of thirty.

The eldest, Kaykaus II ( 1246 – 1260 ), assumed the rule in the area west of the river Kızılırmak.

She was the eldest daughter of Robert II, Duke of Burgundy ( 1248 – 1306 ) and Agnes of France ( 1260 – 1327 ), the youngest daughter of Louis IX of France and Margaret of Provence.

He married, in 1260 as this third wife, Mayor Alfonso of Meneses, Lady of Meneses and Villanueva, widow of Gonzalo Gil of Villalobos and daughter of Alonso Téllez of Meneses, 4th Lord of Meneses, San Román and Villanueva, and his first wife María Yáñez de Lima.

* 1250 – 1260 Marie of Lusignan, daughter of Raoul II.

* 1260 – The spectacular Cathedral of Chartres is dedicated in the presence of King Louis IX of France ; the cathedral is now a UNESCO World Heritage Site.

* 1260 – The Sienese Ghibellines, supported by the forces of King Manfred of Sicily, defeat the Florentine Guelphs at Montaperti.

* 1260 – September 4 – The forces of King Manfred of Sicily, in league with the Ghibellines, defeat the Guelphs in the Battle of Montaperti.

* 1260 – King Otakar II of Bohemia captures Styria from King Bela IV of Hungary in the Battle of Kressenbrunn.

* 1260 – October 24 – The spectacular Cathedral of Chartres is dedicated in the presence of King Louis IX of France ; the cathedral is now a UNESCO World Heritage Site.

She was betrothed to Louis, the son and heir of King Louis IX of France, but her fiance died prematurely in 1260.

In April 1260, Boniface worked with Richard of Cornwall to broker a peace between King Henry and Prince Edward.

The cathedral was then dedicated in 1260 by King Louis whose coat of arms was painted over the apsidal boss.

The cathedral was consecrated in 1260, in the presence of King Louis IX.

In 1260 Brian O ' Neill ( Brian Ua Néill ), King of Tír Eoghain ( Tyrone ) and who had been acknowledged as High King of Ireland by Hugh O ' Conor of Connacht and Tadhg O ' Brien of Thomond marched to Downpatrick, a centre of English settlement, and, allied with a Connacht force under Hugh O ' Conor, fought the foreigners in the Battle of Down.

In 1259 Berke launched savage attacks on Lithuania and Poland, and demanded the submission of Bela IV, the Hungarian monarch, and the French King Louis IX in 1259 and 1260.

King of Hungary, Dalmatia, Croatia, Rama, Bulgaria, Serbia, Galicia, Lodomeria and Cumania ; Duke of Styria ( 1258 – 1260 )

A specific section fixed the law of succession to the throne, in accordance with the arrangements laid down by King Håkon Håkonsson in 1260.

Modern hallmarking in Europe appears first in France, with the Goldsmiths Statute of 1260 promulgated under Etienne Boileau, Provost of Paris, for King Louis IX.

Béla and his son commenced a military campaign against King Ottokar II's lands, but their troops were defeated on 12 July 1260 in the Battle of Kressenbrunn.

Hallmarking first appeared in France, with the Goldsmiths ' Statute of 1260 promulgated under Etienne Boileau, Provost of Paris, for King Louis IX.

In 1260 it was occupied by Charles I of Anjou ( then King of Naples and one of the most powerful landlords in Provence and north-western Italy ), while in 1274 it returned under the bishops of Asti.

Subsequently, Austria became of field of conflict between the Přemyslids and the Hungarian Árpád dynasty, in which Ottokar at first would prevail defeating King Béla at the 1260 Battle of Kressenbrunn, until finally being overthrown by the German king Rudolph of Habsburg at the Battle on the Marchfeld in 1278.

In 1253 Ottokar II became Bohemian king upon the death of his father ; the concentration of power on the western Hungarian border was viewed with suspicion by King Béla IV, who campaigned Austria and Styria but was finally defeated at the 1260 Battle of Kressenbrunn.

Mahaut or Matilda II of Boulogne ( also known as Mathilde, Maud de Dammartin ; died 1260 ) was Countess of Boulogne in her own right and Queen of Portugal by marriage to King Afonso III from 1248 until their divorce in 1253.

* Eric, prince 1260, son of King Waldemar ( died young )