Complex sentence: Henry II created a monastic guild, the "Brethren of the Bridge", to oversee all work on London Bridge, and in 1163 its Warden, Peter of Colechurch, supervised the bridge's last rebuilding in timber.
Split into simpler sentences: Henry II created a monastic guild, the "Brethren of the Bridge", to oversee all work on London Bridge. In 1163 Peter of Colechurch, chaplain and Warden of the bridge and its Brethren, supervised the bridge's last rebuilding in timber.