Complex sentence: Castle Kennedy itself, built in 1607, was burned down in 1716 and remains a ruin to this day, the owners deciding to build Lochinch Castle in 1864 as a replacement rather than restoring the old castle.
Split into simpler sentences: Castle Kennedy itself, built in 1607, was burned down in 1716 and remains a ruin to this day. The owners decided to build Lochinch Castle in 1864 as a replacement rather than restoring the old castle.