Possible Clues:

• __ and His Sons, sculpture in the Vatican
• Large stripy creature losing head, biting old Trojan priest
• In Greek mythology, the priest who warned the Trojans against accepting the Greeks' wooden horse
• __ And His Sons, ancient Roman sculpture on display in the Vatican
• Large area to protect carefully, dismissing first person who warned of Trojan horse
• In Greek mythology, a priest of Apollo who warned the Trojans about the Wooden Horse
• His life, and his sons'finally became seriously constricted
• Priest who warned the Trojans not to accept the wooden horse
• Lack of oxygen and fuel upset priest of Apollo