Complex sentence: One of the exaples of his goodness is the legend that says that he ransomed some Messenian maidens who had been taken prisoners, and educated them as his own daughters, and giving them dowries, he sent them back to Messina to their fathers.
Split into simpler sentences: One of the exaples of his goodness is the legend that says that he payed a ransome for women who had been taken prisoner. After educating them as his own daughters, he sent them back to Messina, their homeland and to their fathers.