Complex sentence: This organisation placed him in with the wealthy merchant Uskevren family as the head butler, a placement he created by murdering the previous butler, as a spy for potential thieving operations that may arise in the Uskevren estate.
Split into simpler sentences: This organisation placed him in with the wealthy merchant Uskevren family as the head butler, a placement he created by murdering the previous butler. He was placed in the Uskevren mansion as a spy for potential thieving operations that may arise in the Uskevren estate.