Caterina Sforza, the Countess of Forlì and Lady of Imola, is one of the few confirmed female alchemists after Mary the Jewess.
kˌæɾɚɹˈiːnə ˈɛsfˈɔːɹzə, ðə kˈaʊntɛs ʌv fˈɔːɹli ænd lˈeɪdi ʌv ɪmˈoʊlə, ɪz wˈʌn ʌvðə fjˈuː kənfˈɜːmd fˈiːmeɪl ˈælkɪmˌɪsts ˈæftɚ mˈɛɹi ðə dʒˈuːɛs.