He was the second but eldest surviving son of Sancho I of Portugal by his wife, Dulce, Infanta of Aragon.

Hitherto, his father Sancho I and his grandfather Afonso I were mostly concerned with military issues either against the neighbouring Kingdom of Castile or against the Moorish lands in the south.

He was the second son of King Sancho Ramírez and successor of his brother Peter I.

** Sancho I ( 1185 – 1211 )

El Cid entered al-Mutamin's service and successfully defended Zaragoza against the assaults of al-Mundhir, Sancho I of Aragón, and Ramón Berenguer II, whom he held captive briefly in 1082.

However, Louis marched the entire army of his kingdom, including Gascons with their duke Sancho I of Gascony, Provençals under Leibulf, and Goths under Bera, over the Pyrenees and besieged it for two years, wintering there from 800 to 801, when it capitulated.

Early in 1197, at the request of Sancho I, King of Portugal, Pope Celestine III declared a Crusade against Alfonso IX, and released his subjects from their responsibilities to the king, declaring " the men of his realm shall be absolved from their fidelity and his dominion by authority of the apostolic see.

At his death, the Navarrese chose as their king Sancho Ramirez, King of Aragon, who thus became Sancho V of Navarre and I of Aragon.

When his father Ferdinand I of Leon and Castile at his death in 1065 divided up his kingdom among his three sons, including himself, Sancho II remained silent.

* Sancho I of Portugal, king

* November 11 – King Sancho I of Portugal ( d. 1212 )

* Gascony becomes an independent kingdom, with Sancho I Mitarra as its first king.

* Sancho I of Portugal conquers Silves and Alvor with the help of the troops of the Third Crusade.

* Infante Fernando, Count of Flanders, son of king Sancho I

* March 26 – King Sancho I of Portugal ( b. 1154 )

* Dulce, Queen of Portugal, spouse of King Sancho I of Portugal ( d. 1198 )

* September 1 – Dulce, Queen of Portugal, wife of King Sancho I of Portugal ( b. 1160 )

* Sancho I of Aragon conquers Graus.

Sancho I continued the war against the Moors with varying fortune.

Lisbon had already ( 1179 ) received a charter from Afonso I. Sancho also endeavoured to foster immigration and agriculture, by granting estates to the military orders and municipalities on condition that the occupiers should cultivate or colonize their lands.

* December 11 – Sancho I of Pamplona ( b. c. 860 )

* Sancho I succeeds Fortun I as King of Pamplona and creates a Basque kingdom centered in Navarre.

To ensure the alliance, his son Sancho was engaged to Dulce, sister of the Count of Barcelona and Infanta of Aragon.

In 1084, El Cid and the Moorish armies defeated Sancho of Aragon at the Battle of Morella near Tortosa.

* 1212 – Battle of Las Navas de Tolosa: after Pope Innocent III calls European knights to a crusade, forces of Kings Alfonso VIII of Castile, Sancho VII of Navarre, Peter II of Aragon and Afonso II of Portugal defeat those of the Berber Muslim leader Almohad, thus marking a significant turning point in the Reconquista and in the medieval history of Spain.

The reign of Sancho the Great not only expanded the Navarese territories when they absorbed Castile, Leon, and what was to be Aragon in addition to other small counties which would also unite and become the Principality of Catalonia, but it also helped form the Galician independence as well as getting overlordship on Gascony.

Meanwhile, Navarre lost all importance under King Sancho IV, for he lost Rioja to Sancho II of Castile, and nearly became the vassal of Aragon.

Sancho Ramírez gained international recognition for Aragon, uniting it with Navarre, expanding the borders south, conquering Wasqa < sup > t </ sup > Huesca deep in the valleys in 1096 and building a fort, El Castellar, 25 km away from Saraqusta < sup > t </ sup > Zaragoza.

* Sancho III of Navarre becomes King of Aragon and Navarre.

* Sancho III becomes king of Navarre, Aragon and Castille.

To ensure the alliance, his son Sancho was engaged to Dulce, sister of the Count of Barcelona, and princess of Aragon.

That kingdom reached its zenith during the reign of Sancho III of Navarre and covered the area of the present-day Navarre, Basque country, and La Rioja, together with parts of modern Cantabria, Castile and León, and Aragon.

In 1084, El Cid and the Moorish armies defeated Sancho of Aragon at the Battle of Morella near Tortosa.

Already in 1095 troops named Almogavars served King Sancho Ramírez I of Aragon.

Sancho Ramírez ( c. 1042 – 4 June 1094 ) was King of Aragon ( 1063 – 1094, not formally until 1076 ) and King of Navarre ( from 1076, as Sancho V ).

From this time, Sancho refers to himself as king not only of Navarre but also Aragon.

He was the youngest son of Sancho Ramírez, King of Aragon and Navarre and Felicia of Roucy.

Others put forward included Alfonso VII, king of Castile, who as a foreign king found little support, and the choice of the Navarrese nobility, Pedro of Atarés, grandson of Sancho Ramírez, Count of Ribagorza, the illegitimate son of Ramiro I of Aragon.

** Peter I of Aragon and Navarre appeared as King of Ribagorza and Sobrarbe during the reign of his father, king Sancho Ramírez.

* June 27 – King Sancho VI of Navarre ( b. c. 1133 )

# Sancha ( c. 1139 – 1179 ), married Sancho VI of Navarre

# Maria of Naples ( 1290 – c. 1346 ), married at Palma de Majorca 20 September 1304 Sancho I of Majorca, married 1326 Jaime de Ejerica ( 1298 – April 1335 )

Sancho III Garcés ( c. 992 – 18 October 1035 ), called the Great (, ), succeeded as a minor to the Kingdom of Navarre in 1004, and through conquest and political maneuvering increased his power, until at the time of his death in 1035 he controlled the majority of Christian Iberia, bearing the title of rex Hispaniarum.

* Infanta Beatrice, Countess of Alburquerque ( c. 1347 – 1381 ), married Sancho Alfonso, 1st Count of Alburquerque.

* December 14 – Ignatius Sancho, composer and actor ( b. c. 1729 )

Honoré Daumier − Don Quijote | Don Quichotte und Sancho Panza ( c. 1868 )

* Berengaria of Portugal ( c. 1195 – 1221 ), daughter of King Sancho I of Portugal, queen consort to Valdemar II of Denmark

* María Colón de Toledo ( c. 1510 –), married to Sancho Folch de Cardona, 1st Marquess of Guadalest

* King Sancho III of Navarre ( c. 985 – 1035 )

* King Sancho IV of Castile ( c. 1257 – 1295 )

Sancho I Garcés ( c. 860 – December 11, 925 ) was king of Pamplona from 905 to 925.

Infanta Branca of Portugal ( c. 1192 – Guadalajara, November 17, 1240 ; ; ) was a Portuguese infanta ( princess ), eighth child of Portuguese King Sancho I and Dulce of Aragon.

Sancho IV Garcés ( c. 1038 – 4 June 1076 ), called Sancho of Peñalén () or Sancho the Noble, was King of Navarre from 1054 to 1076.

File: Honoré Daumier 017. jpg | Honoré Daumier — Don Quichotte and Sancho Pansa c. 1868