Original sentence: She was only thirteen years of age when, in 1193, her William IV and Alfonso II signed the Treaty of Aix whereby Garsenda would inherit William's county and would marry Alfonso, who was in line to become Count of Provence
Edited sentence: She was only thirteen years of age when, in 1193, her grandfather William IV and Alfonso II signed the Treaty of Aix whereby Garsenda would inherit William's county and would marry Alfonso, who was in line to become Count of Provence