Who was king Arthur's half-brother?

Was Cleopatra the first Queen of Egypt? How does Odysseus protect the men from the sirens? How was Hemera conceived? If you could invent something to help mankind what would it be? Who was Dustpelt's mother and father? When was the festival of volcanalia celebrated? What are boreas's symbols? What was Athena's magical powers? How do social scientists work together to learn about the past? Where did King Arthur pull out the sword? What realm did bacchus ruled over? Who built the Egyptian pyrimids? What are the names of all goddess? What did King Leonidas of Sparta believe? Who were the parents of the greek gods? List the events of part 1 of the odyssey in chronological sequence beginning at the end of the Trojan war? What ended the Pax Romana? Who makes osiris? What was the ruling nation of the Persian Empire? When Odysseus returns to Ithaca what does Telemachus mistakes Odysseus for?