Complex sentence: If'Black Jack' was not held in very high regard by his commander-in-chief, some of his subordinates were equally damning; one officer wrote:' As a leader of cavalry he was deplorable.
Split into simpler sentences: If'Black Jack' was not held in very high regard by his commander-in-chief some of his subordinates were equally damning. One officer wrote:' As a leader of cavalry he was deplorable.