Pedro Ponce de Cabrera

[2][3][4] From his marriage to Aldonza Alfonso de León, illegitimate daughter of Alfonso IX and his mistress Aldonza Martínez de Silva,[3][2] «...would descend one of the most important and aristocratic Spanish families of the Late Middle Ages, the Ponce de León, so relevant in the conquest of Andalusia where they were to receive over time the Marquisate of Cádiz and Duchy of Arcos».

[3] Probably born near the end of the 12th century as he appears described in a document in July 1202 as a minor,[5] Pedro Ponce de Cabrera was an important magnate during the reigns of King Alfonso IX, whom he served as his alférez, and of his successor, Ferdinand III of Castile.

In February 1221 he was part of the entourage that accompanied Infanta Eleanor of Castile, daughter of King Alfonso VIII of Castile, to Ágreda for her wedding with King James I of Aragon.

[6][5] He played an active role in the reconquista campaigns of King Fernando III in Andalusia and fought against the moors in Seville, Lora del Río and Marchena.

[c] He married Aldonza Alfonso, illegitimate daughter of King Alfonso IX of León and his mistress Aldonza Martínez de Silva,[8] sometime before 10 June 1230 when both appear together making a donation to the Monastery of Santa María de Nogales.