 Three documents from the Cathedral of Pamplona list them in this way, as well as four from the monastery of San Juan de la Peña.One charter from Pamplona, dated 29 September 1023, is witnessed by Sancho's mother, Jimena Fernández, his wife Muniadona, her children, listed García, Ferdinand then Gonzalo, and their brother, the illegitimate Ramiro.In five documents of the monastery of San Salvador de Leire, Ferdinand is listed after Gonzalo.