hɪz pˈaʊɚ mˈeɪ ɔːɹ mˈeɪ nˌɑːɾɐv ɛkstˈɛndᵻd tə ðə pˌɪɹənˈiːz, bˌʌt ðə tɹˈænzpˈaɪɹənˌiən bˈæsks wɜːɹ ˈɔːlsoʊ ˌʌndɚ kˌæɹoʊlˈɪŋɡiən sˈuːzɚɹˌeɪnti, æz sˈiːn baɪ ˈaɪnhɑːɹdz ɹˈɛfɹəns tə bˈæsk pɜːfˈɪdiə tɹˈɛtʃɚɹi æt ɹˈɑːnsɪsvˌælz.
His power may or may not have extended to the Pyrenees, but the trans-Pyrenean Basques were also under Carolingian suzerainty, as seen by Einhard's reference to Basque perfidia (treachery) at Roncesvalles.