Juan Martínez de Leiva y Avellaneda

  Noted events in his life were:

• Occupation: Marino Mayor de Vizcaya y Camarero Mayor del Rey Alfonso XI de Castilla y Leon, Señor de Leiva, Embajador en Avignon.

Juan married Guiomar Villena Manuel de Villena, daughter of Juan Manuel 'el Escritor' de Castilla and Inés de Castañeda.

Juan next married Urraca de Salazar y Ponce de León.