However , as Leonidas 's new position of prince then forbids him to marry Palmyra , much misery is brought to the couple .
When Hermogenes is recognized by the usurper - king Polydamas , he declares that Leonidas is Polydamas 's son .
As son 's new position of prince then forbids Leonidas to marry Palmyra , much misery is brought to the couple .
When Hermogenes is recognized by the usurper - king Polydamas , he declares that Leonidas is Polydamas 's son .