One of my ancestors was aboard one of the ships that got shipwrecked on Bermuda, then repaired the boats and arrived at Jamestowne just in time to rescue the starving colonists. They had been trapped in the fort by the Powhatan Indians, so could not hunt or forage. On top of that the winter was so severe that the rivers froze solid. The world was undergoing a Little Ice Age.
Cool. You are privileged to know your family history. Its amazing how history turns on happenchance. If your ancestor had not survived the initial shipwreck and helped repair and restock the ships, Jamestown would not have survived. It took incredible bravery for those folks to do what they did.