According to Greek mythology, what king of Arcadia tried to feed Zeus his own child?

According to Greek mythology, Lycaon was a king of Arcadia, son of Pelasgians, who is generally considered to have been the progenitor of the Pelasgians, the first inhabitants of Greece. According to one version of the myth, Lycaon's mother was Melibea, while another claims that his mother was Cyllene. Both figures are said to be nymphs (Meliboea is an Oceanid, or daughter of Oceanus, and Cyllene an Oread, or mountain nymph) who inhabited Mount Cyllene, a mountain in the Peloponnese.

He is said to have had many wives, and, through them, produced a number of offspring. In general, he is said to have fathered as many as 50 sons.

Zeus informed the rest of the gods that the rumor that Lycaon was a bad host had reached his ears, and hoping that it would turn out to be false, the king of the gods decided to visit the world in human form. As night approached, Zeus came to Arcadia and revealed himself to the people as a god. While the Arcadians prayed and worshiped Zeus, only Lycaon "sneered at his pious vows" and said that "a fair experiment will show the truth, whether god or man."

He gave Zeus a banquet, so he killed his son Nyctimus. They roasted his entrails and part of his body and served them on a plate of food for him, but he, realizing the deception, became enraged, overturned the service table, murdered all the Lycaon's sons with his lightning bolts, turned him into a werewolf, and burned down the royal palace.