Complex sentence: Among those who died here were four female SOE agents executed together on July 6,1944-Diana Rowden, Vera Leigh, Andrée Borrel and Sonya Olschanezky.
Split into simpler sentences: Among those who died here were four women executed together on July 6,1944. The women were SOE agents Diana Rowden, Vera Leigh, Andrée Borrel and Sonya Olschanezky.