***I think it's in the Oddyssey, where Telemachos pays her a visit ***
True! Hellen and her husband Menelaus had many adventures on the way from Troy, being driven to Libya because they didn't offer proper sacrifices.
But more beautiful than Hellen was Penelope, the wife of Odysseus. When she walked among the suitors their knees became weak and they each desired to lay with her.
quote -"But more beautiful than Hellen was Penelope, the wife of Odysseus. When she walked among the suitors their knees became weak and they each desired to lay with her."-quote
Three most beautiful women in Greek mythology were Helen, Aphrodite and Persephone. Penelope was known as the most loyal.