Complex sentence: Nine of the Bavarian enshrinees having since been made Walhalla enshrinees, although their Ruhmeshalle busts which were destroyed in 1944, during World War II, have not been recreated.
Split into simpler sentences: Nine of the Bavarian enshrinees have since been made Walhalla enshrinees. Thus, their Ruhmeshalle busts, which were destroyed in 1944 during World War II, have not been recreated.