Her father had her formally recognised as heir presumptive at the Cortes of Toledo on 6 January 1402.
hɜː fˈɑːðɚ hæd hɜː fˈɔːɹməli ɹˈɛkəɡnˌaɪzd æz ˈɛɹ pɹɪsˈʌmptɪv æt ðə kˈɔːɹts ʌv tɑːlˈiːdoʊ ˌɔn sˈɪks dʒˈænjuːˌɛɹi wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd tˈuː.