Original sentence: " What is certain is that Alexander married twice, Roxana, daughter of a Bactrian nobleman, Oxyartes, out of love; and Stateira, a Persian princess and daughter of Darius III of Persia out of political interest.. He had two sons, Alexander IV of Macedon by Roxana and Heracles of Macedon by his mistress Barsine; furthermore, he lost another child when Roxana miscarried at during the Indian expedition
Edited sentence: What is certain is that Alexander married twice, Roxana, daughter of a Bactrian nobleman, Oxyartes, out of love; and Stateira, a Persian princess and daughter of Darius III of Persia out of political interest.. He had two sons, Alexander IV of Macedon by Roxana and Heracles of Macedon by his mistress Barsine; furthermore, he lost another child when Roxana miscarried at during the Indian expedition