Complex sentence: His great great grandfather was the film director, screenwriter, novelist and journalist Khwaja Ahmad Abbas more popularly known as K. A. Abbas in turn was the grandson of Hali, the chief protégé of Urdu poet, Ghalib.
Split into simpler sentences: His great great grandfather was the film director, screenwriter, novelist and journalist Khwaja Ahmad Abbas more popularly known as K. A. Abbas. K.A. Abbas in turn was the grandson of Hali, the chief protégé of Urdu poet, Ghalib.