@MojangSupport hi, I have a previous Microsoft minecraft account from a few years ago that I used in my iPad which has the same email as my normal Mojang account. I am currently trying to change the email to at least one of the accounts so that my mojang account can turn to Java.
Please send us an email at https://msft.it/6010XDrfk and we will assist. Remember to attach your Transaction ID and account name / Gamertag.