Complex sentence: Celebrities whose Wikpedia articles were edited by Sunshine Sachs include Naomi Campbell, Mia Farrow and Sarah Brightman, and it remains unclear if the celebrities themselves were aware of the edits.
Split into simpler sentences: Celebrities whose Wikpedia articles were edited by Sunshine Sachs include Naomi Campbell, Mia Farrow and Sarah Brightman. It was unclear if the celebrities themselves were aware of the edits.