Complex sentence: She was the paternal niece of Bezmiâlem Sultan and great aunt of princesses Leyla Achba, Fatma Pesend Hanımefendi and Mihri Müşfik Hanım.
Split into simpler sentences: She was the paternal niece of Bezmiâlem Sultan. Some other prominent members of her family included her grand nieces, princesses Leyla Achba, Fatma Pesend Hanımefendi and Mihri Müşfik Hanım.