Complex sentence: All of the Surving Boat models once owned by Charles P Mower are with Mildred Mower Pastula Grand daughter of Charles D Mower, and her sons David, Stephen and Jamie Osler.
Split into simpler sentences: All of the Surving Boat models once owned by Charles P Mower Are with Mildred Mower Pastula Grand daughter of Charles D Mower. And her sons David, Stephen and Jamie Osler.