hɜː mˈʌðɚ, kwˈiːn kˈæθɹɪn, ɡˈʌvɚnd ðə kɹˈaʊn ʌv kˈæstaɪl æz ɹˈiːdʒənt dˈʊɹɹɪŋ kˈɪŋ dʒˈɑːn ɹˌoʊmən tˈuː maɪnˈɔːɹᵻɾi ænd ðɪ ɪnfˈæntə wʌz ˈeɪbəl tʊ əbzˈɜːv hɜː mˈʌðɚz stˈeɪtsmənʃˌɪp.
Her mother, Queen Catherine, governed the Crown of Castile as regent during King John II's minority and the Infanta was able to observe her mother's statesmanship.