Complex sentence: The Kilmorey Mausoleum, now a Grade II listed monument which cost £30,000 to build in an ancient Egyptian design, was moved several times between Lord Kilmorey's homes.
Split into simpler sentences: The Kilmorey Mausoleum, in an ancient Egyptian design, is now a Grade II listed monument. It cost £30,000 to build and was moved several times between Lord Kilmorey's homes.