Elizabeth Moonstone traveled with Thorin and his company before settling down with Bilbo in the Shire where she raised Frodo with him. For 60 years with no troubles Bilbo decides and leaves the ring of power to Frodo, after knowing Bilbo left, Elizabeth also leaves with him after she does they both travel to Rivendell where they stay until she gets called by Elrond to go with Arwen to save the boys and a man named Stryder. P.S.: Arwen and Aragorn won't end up together.