The www site "Directory of royal genealogical data" traces this line back another sixteen generations:
Sceldwa (father of Beaw)
Hermod
Itermon
Hathra
Hwala
Bedwig
Seskef
Magi
Moda
Vingener
Vingethor
Einridi
Thor (Tror) married Sibil (sif)
Thor was son of Munon of Troy, King of Tryo
Sibil was daughter of Troan, who was daughter of Priam, High King of Troy