The County became de facto independent under count Borrell II, when he ceased to request royal charters after the kings Lothair and Hugh Capet failed to assist him in the defense of the County against Muslim leader al-Mansur, although the change of dynasty may have played a part in that decision.
Krahvkond muutus de facto iseseisvaks krahv Borrell II ajal, kui ta loobus küsimast kuninglikke käske pärast seda, kui frangi kuningad Lothar ja Hugues Capet ei aidanud teda krahvkonnna kaitses muslimiliidri al-Mansuri vastu, kuigi dünastia vahetus võis mängida rolli selles otsuses.