Aphrodite had a daughter whom she named Harmonia. This daughter later became the wife of the legendary founder of the city of Thebes Cadmus. As soon as Hephaestus found out about the marriage he went to Harmonia and offered her the necklace as a gift.
greek mythology.com /Necklace_of_ Harmonia
The Necklace of Harmonia - allowed any woman wearing it to remain eternally young and beautiful. However it also brought great misfortune to all of its wearers or owners who were primarily queens and princesses of the ill-fated House of Thebe
en.wikipedia.org/wiki/ Necklace_of_ Harmonia
Informed of the love affair between his wife Aphrodite [Venus] and Ares [Mars] the god of war HEPHAISTOS [Vulcan] the smith of the gods limps over from his forge insultingly examining Venus to see whether as he fears adultery has actually been committed.
With lambent tongue he kissed her patient face Crept in her bosom as his dwelling place Entwined her neck and shared the loved embrace.
ovid.lib.virginia.edu/ [The Ovid Collection - huge scanned collections of illustrations & texts in many languages]