Complex sentence: It does seem certain that like his father, Amenhotep III, Akhenaten named at least one daughter as Great Royal Wife, but this does not exclusively indicate she was his sexual consort as the position was also an important ceremonial position.
Split into simpler sentences: It does seem certain that like his father, Amenhotep III, Akhenaten named at least one daughter as Great Royal Wife. But this does not exclusively indicate she was his sexual consort as the position was also an important ceremonial position.