Complex sentence: Ahmed Amiruddin is an alias for "Ahmed Khan" who is a false deputy of Shaykh Nazim al-Qubrusi, the Grand Mufti of Turkish Cyprus.
Split into simpler sentences: Ahmed Amiruddin is an alias by which "Ahmed Khan" is known as. He is a false deputy of Shaykh Nazim al-Qubrusi, the Grand Mufti of Turkish Cyprus.