Complex sentence: The main block was designed by Italian architect by Alessandro Galilei and the wings were added by Edward Lovett Pearce in 1724 and the huge construction was paid with money the Conolly family had acquired through selling land in other parts of Ireland.
Split into simpler sentences: The main block was designed by Italian architect by Alessandro Galilei and the wings were added by Edward Lovett Pearce in 1724. This huge construction was paid with money the Connolly family had acquired through selling land in other parts of Ireland.