Could also be part of the sailor route when Sarah chooses to stay back on the ship. Then this new deckhand shows up. If she chooses to stay faithful to the captain, then, might get an ending like this. Again, I don't remember perfectly.
Yes, if you stay with the captain, he'll soon offer to be his wife and have children. It was said that Sara would live ashore to take care of the house and children while her husband sailed the seas.