Complex sentence: It is also implied that she is or was a Death Eater however despite her arrogant, unpleasant personality she is very protective of her family as shown by her distress at her husband, Lucius being in Azkaban and her obvious affection for her son.
Split into simpler sentences: It is also implied that she is or was a Death Eater. Despite her arrogant, unpleasant personality, however, she is very protective of her family as revealed by her distress when her husband is in Azkaban and her obvious affection for her son.