It is possible that Hundi was her birth name or that she took it after marriage and that it derives from khundat, the title of the wives of the Seljuk sultans.
When Bayezid discovered this, he sent Süleyman Pasha and forty men to kill Amir and the wedding witnesses, but they failed due to a series of miracles.
Then, Molla Fenari, qadi of Bursa, wrote to Bayezid that the marriage was wanted by Allah and that Amir was a worthy son-in-law.
Bayezid respected Amir and wanted him as a son-in-law, and he knew that he and Hundi loved each other, so he arranged the wedding.
[1] Hundi and Amir's marriage is the only one known between an Ottoman princess and a seyyid and is the only one that could have taken place without the consent of the bride's relatives.
[1][5] From her marriage, Hundi Hatun had four sons, including Emir Ali Bey, and two twin daughters.