Complex sentence: The King followed Si Suriyawongse advice by having his ministers offer Vichaichan amnesty, but as punishment he must relinquished the title of "Vice King", again Vichaichan refused.
Split into simpler sentences: The King followed Si Suriyawongse's advice by having his ministers offer Vichaichan amnesty. As punishment he must relinquish the title of "Vice King", but again Vichaichan refused.