Many principles are attributed to them by authors and historians:...for its antiquity, its splendor, for their military prowess and virtue and for every other value of chivalry that prospered with this family, in great numbers, magnificent and generous.

[8] On 1 September 1552, Charles V, Holy Roman Emperor issued the Carta Ejecutoria de Hidalguía to confirm the noble status of the Medrano family.

[9] Juan Vélaz de Medrano y Mauleon was the son of Juan Vélaz de Medrano y Echauz, sixth of the name, Lord of Igúzquiza, Aguinano, Orendain, Zabala, Arroniz, 4th Lord of Learza, merino of the merindad of Estella and the alcaide of the castles of Del Castillo, Santacara, and Monjardin.

[10][11] His father, Juan, was a key leader in Navarre’s defense against the Castilian invasion and a prominent knight under King John III of Albret.

[1] His wife Maria de Piñeiro y Elio, Lady of Eriete and Ipasate, patron of the company of Jesus in Pamplona and Trapani in Sicily, came from a distinguished Galician family recognized by both ancient and modern genealogists.

The document also mentions her late husband, Miguel de Goñi, and refers to her son as the successor to these significant family estates.

This document concerns a power of attorney for assets left behind by the deceased León de Goñi y Peralta, the archdeacon, confirming her role in managing her family’s property after both her husband’s and son’s deaths.

[25] From 10 October 1533 to 23 December 1535, Don Juan Velaz de Medrano y Mauleon and his relative Tristan de Mauleon, Lord of Rada and Traibuenas, filed a legal case in the high court of Navarre over possession of the depopulated places of Abaiz (Lerga) and Aldea (Lerga) and the mill of Caparroso.

[26] From February 21, 1567, to August 21, 1568, in Learza and Orendain (Guirguillano), Navarre, Spain, Maria Piñeiro initiated a legal action against her husband, Juan Velaz de Medrano y Navarra, lord of Learza and Orendain, concerning the authorization to donate 1,000 ducats from her dowry to their son, Jeronimo Velaz de Medrano y Piñeiro.

[27] From March 17, 1575, to January 28, 1605, a legal dispute unfolded involving the place of Igúzquiza and his son Jeronimo Velaz de Medrano y Piñeiro.

Additionally, the counterclaim involved asserting possession of these rights based on their nobility and status as lords of the Palace of Vélaz de Medrano.