Complex sentence: The Queen would have felt at home at Ormonde Castle, which was probably the intenton of its builder, she is said to have promised her favourite cousin'Black Tom' that she would one day honour Carrick with a visit.
Split into simpler sentences: The Queen would have felt at home at Ormonde Castle, which was probably the intenton of its builder. She is said to have promised her favourite cousin'Black Tom' that she would one day honour Carrick with a visit.