[5] In 1331 Enrique Enríquez the Younger was made a Knight of the Band, an order that had been instituted by King Alfonso XI that year.

On 19 September 1335 Alfonso XI was in the city of Toro and gave Enrique Enríquez the Younger, who held the post of chief justice of the king's house, Espechilla village, located in the Sevillian region of Aljarafe.

[7] In 1340, acting as military commander of the bishopric of Jaén, he fought in the Battle of Río Salado, in which the Christian troops defeated the Muslims.

[9] In 1343 King Alfonso XI gave Enrique Enríquez the younger the village of La Parra, located in the present province of Badajoz.

[10] In 1344 he took possession of the town of Nogales, which had been sold in 1340 to Alfonso XI by Lorenzo Vázquez de la Fuenteseca for 70,000 maravedis, and that the king had then given to Pedro Carrillo.

Besides the estates he inherited and those donated by the king, Enrique Enriquez acquired a number of lands in the frontier region of Tierra de Barros, in order to increase his income and revenue and round out his possessions.

In 1361 the Muslims of Granada invaded the kingdom of Castile and León with six hundred knights and two thousand foot soldiers, and burned the town of Peal de Becerro.

When Enrique Enríquez the Younger, Diego García de Padilla, Master of the Order of Calatrava, and Men Rodríguez de Biedma, military leader of the bishopric of Jaen, who were in the city of Úbeda, became aware of the invasion, they left that city along with the knights of its council and those of other towns, and went to occupy the crossings of the Guadiana Menor River.

In this battle, which was a disaster for the troops of the Kingdom of Castile and Leon, the master of the Order of Calatrava, Diego García de Padilla, was captured by the Muslims, but a few days later was released by Muhammed VI, Sultan of Granada.

[15] On 29 May 1364 King Peter of Castile ordered the city council of Murcia and Enrique Enriquez the Younger, who still held the post of adelantado mayor of the frontier of Andalusia, that they would provide what was needed to Pedro Fernández el Niño, adelantado mayor of the kingdom of Murcia, who was resisting inside the castle of Alicante, which had been conquered by the Aragonese for Pedro.