Complex sentence: The current seat of the chief of Clan Davidson is at Tulloch Castle, this was originally the seat of the Clan MacBain but the Davidsons took over the castle after they claimed the lands.
Split into simpler sentences: The current seat of the chief of Clan Davidson is at Tulloch Castle. This was originally the seat of the Clan MacBain but the Davidsons took over the castle after they claimed the lands.