An undated charter names “comes domnus Fernandus et domnus Ueremudus et domnus Garssia et domnus Uelascus et comes domnus Rodericus dictus Uelusu et domna Luba” as the children of "domno Petro Froyle". The Historia Compostelana names “Dño P comite, uxor eius comitisa Dña Major, Veremudus Petriz filius eius, Fernandus Petriz filius eius…”. The Nobiliario of Pedro Conde de Barcelos names "D. Vermui Perez…El Conde D. Fernando Perez de Trava" as the sons of "Conde D. Pedro Fernandez de Trava que pobló el castillo de Trava".
Conde 1121. He acquired considerable influence in Portugal as a result of his relationship with Queen Teresa. The Chronica Adefonsi Imperatoris records that Alfonso VII King of Castile met "Teresa queen of the Portuguese and with Count Fernando" at Ricobayo and made peace with them after his accession in 1126. He was captured, imprisoned and banished from Portugal by Afonso Henriques Conde de Portugal in 1128. King Alfonso VII granted Sobrado “que ante fuerunt de parentibus vestris” to “comiti domno Fernando et fratri vestro Uermudo Petri” by charter dated 29 May 1135. He settled in Galicia, named as Conde de Galicia 1140/47. "…Comes Fernandus de Gallecia, Comes Urgelli Ermengaldus, Comes Osorius Martinz, Comes Ramirus Froilaz…" subscribed the charter dated 1 Jul 1140 under which King Alfonso VII donated various property between Salamanca and Zamora to Santiago de Compostela. “Comes Fernandus Petri...et uxor mea Sancia Gundisalui...cum omnibus filiis et filiabus meis” donated “medietatem...monasterio Superati sicut mihi evenit in portione fratrum meorum et pariter cum consobrina mea Urracha Ueremudi deouota qui similiter dat aliam medietatem...que ei evenit in particione fratres suos ex parte patris sui Ueremudi Petri” to Sobrado, with the advice of “eiusdem domni Ueremudi Petri”, by charter dated 14 Feb 1142. "…Comes Fernandus de Gallecia, Comes Rodericus Gomez, Comes Poncius de Cabreira…" subscribed the charter dated 31 Jan 1145 under which King Alfonso VII donated "villam…Certame" to Santiago de Compostela. “Domnus Ueremudus Petri comitis domini Petri filius et uxor mea infans domna Urraca comitis domni Henrici filia et filiis nostris comes domnus Fernandus Petri et uxor mea comitissa domne Sancia Guncaluiz et filiis nostris” donated “hereditate...Prada” to Sobrado by charter dated 1 Jul 1155, which also records that “frater Menendus Petri” donated the same property. 1