ʃiː sˈɜːvd æz ɹˈiːdʒənt dˈʊɹɹɪŋ ðə kˈɪŋz ˈæbsəns ɪn wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd sˈɪksti fˈaɪv, ænd wʌzɐ mˈɛmbɚɹ ʌvðə ɹˈɔɪəl ɹˈiːdʒənsi kˈaʊnsəl dˈʊɹɹɪŋ hɜː sˈʌnz maɪnˈɔːɹᵻɾi ɪn wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd ˈeɪɾi θɹˈiː.
She served as regent during the king's absence in 1465, and was a member of the royal regency council during her son's minority in 1483.