Complex sentence: Soon after the original modifications were in place, the entire Trevor family was invited to stay, however the family were taken prisoner, with George separated from his wife-eventually starving, unable to escape the unplanned additions to the mansion.
Split into simpler sentences: Soon after the original modifications were in place, the entire Trevor family was invited to stay; however, the family was taken prisoner, with George separated from his wife. He eventually starved, unable to escape the unplanned additions to the mansion.