ɪf hiː ɪz təbi ɹᵻɡˈɑːɹdᵻd æz ɹᵻlˈeɪɾᵻd tə sˈʌbsᵻkwənt ɡˈæskən dˈuːks, wˌɪtʃ sˈiːmz ɹˈiːzənəbəl ɔnðə bˈeɪsɪs ʌv pˌætɹənˈɪmɪks, ɐ dʒˌiːnɪˈælədʒi kæn ˈiːzili biː kənstɹˈʌktᵻd.
If he is to be regarded as related to subsequent Gascon dukes, which seems reasonable on the basis of patronymics, a genealogy can easily be constructed.