Marisur the Great, who realized the value of the White Tree and convinced Isildur to sneak into the palace to steal a fruit, so that the line of Telperion's get would survive the evil Hwite Male Sauron's corruption of the glorious Numenoreans of color, and then made the plan for the heist, while she built the ships that Elendil's family would sail to Middle Earth in the wake of Numenor's destruction.