Complex sentence: Bourchier Castle was a tower house, originally built by the Desmonds (FitzGeralds) still stands, though Clare Castle,'a stoney house or castle of lime', a 100 by fortified house, is a ruin.
Split into simpler sentences: Bourchier Castle was a tower house, originally built by the Desmonds (FitzGeralds). It still stands, though Clare Castle,'a stoney house or castle of lime', a 100 by fortified house, is a ruin.