Like many of the tales of mythology, her tragedy is a story of vengeance wreaked upon a mortal by an angry god. She was the daughter of Tantalus, and her husband was Amphion, King of Thebes, himself a son of Zeus. To her were born seven fair daughters and seven beautiful and gallant sons, and it was not because of her own beauty, nor her husband's fame, nor their proud descent and the greatness of their kingdom, that the Queen of Thebes was arrogant in her pride. Very sure she was that no woman had ever borne children like her own children, whose peers were not to be found on earth nor in heaven. Even in our own day there are mortal mothers who feel as Niobe felt. But amongst the Immortals there was also a mother with children whom she counted as peerless. Latona, mother of Apollo and Diana, was magnificently certain that in all time, nor in eternity to come, could there be a son and daughter so perfect in beauty, in wisdom, and in power as the two that were her own. Loudly did she proclaim her proud belief, and when Niobe heard it she laughed in scorn. "The goddess has a son and a daughter," she said. "Beautiful and wise and powerful they may be, but I have borne seven daughters and seven sons, and each son is more than the peer of Apollo, each daughter more than the equal of Diana, the moon-goddess!" And to her boastful words Latona gave ear, and anger began to grow in her heart. Each year the people of Thebes were wont to hold a great festival in honour of Latona and her son and daughter, and it was an evil day for Niobe when she came upon the adoring crowd that, laurel-crowned, bore frankincense to lay before the altars of the gods whose glories they had assembled together to celebrate. "Oh foolish ones!" she said, and her voice was full of scorn, "am I not greater than Latona? I am the daughter of a goddess, my husband, the king, the son of a god. Am I not fair? am I not queenly as Latona herself? And, of a surety, I am richer by far than the goddess who has but one daughter and one son. Look on my seven noble sons! behold the beauty of my seven daughters, and see if they in beauty and all else do not equal the dwellers in Olympus!" And when the people looked, and shouted aloud, for in truth Niobe and her children were like unto gods, their queen said, "Do not waste thy worship, my people. Rather make the prayers to thy king and to me and to my children who buttress us round and make our strength so great, that fearlessly we can despise the gods." In her home on the Cynthian mountain top, Latona heard the arrogant words of the queen of Thebes, and even as a gust of wind blows smouldering ashes into a consuming fire, her growing anger flamed into rage. She called Apollo and Diana to her, and commanded them to avenge the blasphemous insult which had been given to them and to their mother. And the twin gods listened with burning hearts.