Complex sentence: Her last role, as Aunt Clara in "Bewitched", brought Lorne her widest fame as a lovable, forgetful witch who is losing her powers due to old age and whose spells usually end in disaster.
Split into simpler sentences: Her last role, as Aunt Clara in "Bewitched", brought Lorne her widest fame. She played a lovable, forgetful witch who is losing her powers because of her old age and whose spells usually end in disaster.