Complex sentence: This appointment originally went to Sir Robert Knolles of Cheshire, but ended up also being under the joint command of three other "associate" captains, one of whom was John Minsterworth.
Split into simpler sentences: This appointment originally went to Sir Robert Knolles of Cheshire. However, it ended up also being under the joint command of three other "associate" captains, one of whom was John Minsterworth.