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To keep down his ambitious designs, it was important to give him employment at home; and Ptolemy, who knew
how to make admirable use of such fiery spirits as the Epirot youth in the prosecution of his subtle policy, not only met the wishes of his consort queen Berenice, but
also           his own ends, by giving his stepdaughter
the princess Antigone in marriage to the young prince, and lending his aid and powerful influence to support the return of his beloved "son" to his native land (458).