Simplify the following text for a Grade 8 native English-speaking person.
Original: Grand Vizier , in Turkish Vezir-i Azam or Sadr - Ä Azam ( Sadrazam ) or Serdar - Ä Ekrem ( in Ottoman Turkish : Ø Ø Ø Ø Ø Ø Ù
Simplified: Grand Vizier , Sadr - Ä Azam ( Sadrazam ) or Serdar - Ä Ekrem ( in Ottoman Turkish '' Ø Ø Ø Ø Ø Ø Ù