Complex sentence: Grogan was originally obliged to appear as C. P. Grogan because there was already a member of Equity named Claire Grogan (the other Claire Grogan went on to become a photographer), she would later drop the "i" from her first name.
Split into simpler sentences: Grogan was originally obliged to appear as C. P. Grogan because there was already a member of Equity named Claire Grogan (the other Claire Grogan went on to become a photographer). She would later drop the "i" from her first name.