Complex sentence: Alfred Dawson, whose family home at The Cedars adjoined Hogarth's and whose printing works was nearby, rescued the House in 1890 and restored it, leasing it to a nursery gardener along with part of his own garden.
Split into simpler sentences: Alfred Dawson, whose family home at The Cedars adjoined Hogarth's and whose printing works was nearby, rescued the House in 1890 and restored it. He leased it to a nursery gardener along with part of his own garden.