There properties reverted to the Crown upon the death of the incumbents, as in the case of Infanta Sancha, who also held Infantados in the kingdoms of Leon, Castile and Galicia.
In 1127, her brother the king granted her the Infantado, which made her the lady of several of the most important monasteries of the kingdom, including San Isidoro de León.
An account of her patronage of the Isidorian temple detailed how she expanded the estate with the addition of cloisters, chapter house, and the bell tower called Torre del Gallo.
[10] In 1148, assembled the cortes of the kingdom in the city of Palencia, Infanta-Queen Sancha persuaded her brother the emperor, the bishops and the magnates to have the Augustinian canons, who lived in the Monastery of Carbajal, transferred to the Collegiate Church of San Isidoro de León and, simultaneously, for the Benedictine nuns who had lived in San Isidoro de León for over two hundred years, to move to the Monastery of Carbajal, thereby fulfilling the wish of Saint Isidore of Seville, who had appeared to her in a vision and had ordered this move.
The remains of the Infanta Sancha were deposited in a stone tomb with the following epitaph in Latin:[18] Hesperiae speculum, decus orbis, gloria Regni, HIC REQUIESCIT REGINA DOMNA SANCIA, SOROR IMPERATORIS justitia culmen, et pietatis apex Santia pro ADEFONSI FILIA URRACHAE ET RAIMUNDI, HAEC STATUIT meritis inmensum nota per orbem, proh dolor¡ exiguo ORDINEM REGULARIUM CANONICORUM IN ECCLESIA ISTA, ET clauderis in tumulo, Sol bis sexcentos, QUIA DICEBAT BEATUM ISIDORUM SPONSUM SUUM, demtis tribus, egerat annes, cum pia subcubuit VIRGO OBIIT ERA M. C. LX VII PRID.
MARTII finis erat Februarii.During the War of Independence, the Pantheon of Kings in San Isidoro de León became a stable and the bodies buried there were removed from their graves by French soldiers and piled in a corner after being picked up by the canons of the collegiate and brought to the church of Santa Marina de León, except the Infanta Sancha, who because of the veneration that she professed, was picked apart and taken to the house of a resident of León, where she remained until the end of the war, which was returned to the church of San Isidoro in the presence of the authorities of the city, being placed the mummy in a tomb, but without cover, as the cover of the real tomb of the infanta appeared several years later halved.
[22] On the left wall of the chancel of the Cathedral Zamora is placed an epitaph, composed in 1620–1621 by Alonso de Remesal, in which it is stated that the Infanta Sancha was buried there:[23] HIC IACET ILLUSTRIS DOMINA SANCIA INFANTISSA SOROR ADEPHONSI IMPERATORISMoreover, in the Collegiate of Covarrubias is placed a stone tomb, dating from the fifteenth century, which is supposed to contain the remains of the Infanta Sancha, who granted Fueros to the town of Covarrubias in the year 1148.
[24] About the lid of the tomb attributed to the infant appears abbey and the cross carved on the front is placed quartered shield of Castile and León, which was awarded to the infanta Sancha by her brother the king.
Years after the death of Alfonso VII, King Alfonso VIII of Castile donated goods Castilian Infantado to different churches, as the Collegiate of Covarrubias or the Monasterio de las Huelgas de Burgos, while in the kingdom of León, his uncle Fernando II donated his sister Sancha of Castile, Queen of Navarre, all of the Leonese Infantado.