Gr. Myth. a queen of Thebes, daughter of Tantalus, who, weeping for her slain children, is turned into a stone from which tears continue to flow
Origin of NiobeClassical Latin from Classical Greek Niob?
The daughter of Tantalus who, after boasting that she had more children than Leto, suffered the killing of her own children by Artemis and Apollo, and turned to stone while bewailing their loss.