Phlegyas

Phlegyas, son of Ares and Chryse, was King of the Lapiths in Greek mythology. He was the father of Ixion and Coronis, one of Apollo's lovers. While pregnant with Asclepius, Coronis fell in love with Ischys, son of Elatus. A crow informed Apollo of the affair and he sent his sister, Artemis, to kill Coronis.  Apollo rescued the baby though and gave it to the centaur Chiron to raise. Phlegyas was irate and torched the Apollonian temple at Delphi and Apollo killed him.
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[Greek heroic] The son of Ares and Chryse, mythical ancestor of the Phlegyans, a people of Thessaly. He was also the king of the Lapiths and father of Ixion and Coronis. When Coronis became the mother of Asclepius by Apollo, Phlegyas became so angry at Apollo that he torched his temple at Delphi. Apollo killed him and send him to the underworld.