In 1706 , during the siege of Turin by French forces under the command of her half-brother Philippe d'Orl Ã ans , and Spanish forces from her cousin Philip V of Spain , she and her sons , Victor Amadeus and Carlo Emanuele , were forced to flee the city . In 1706 , during the siege of Turin by French forces under the command of her half-brother Philippe d'Orl Ã ans , and by the Spanish forces of her cousin King Philip V , she and her sons , Victor Amadeus and Carlo Emanuele , were forced to flee the city .