hɜː fˈɜːst tˈɛnjɚɹ æz ɹˈiːdʒənt lˈæstᵻd fɹʌm wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd twˈɛnti ʌntˈɪl wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd twˈɛnti θɹˈiː, ænd hɜː sˈɛkənd fɹʌm wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd θˈɜːɾi tˈuː ʌntˈɪl hɜː hˈʌsbəndz dˈɛθ ɪn wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd fˈɪfti ˈeɪt.
Her first tenure as regent lasted from 1420 until 1423, and her second from 1432 until her husband's death in 1458.