There is an error in the English translation of the Turkish text above: in total, there are nine tiled sarcophagi in the tomb, which means that apart from Çelebi Sultan Mehmet, eight other people are buried here (not nine): four daughters, three sons and the wet nurse.

Correspondent: J.M.Criel, Antwerpen.
Sources: ‘Vakıf Abideler ve eski Eserler’ - Vakıflar Genel Müdürlüğü III, Ankara 1983 & Wikipedia.