Complex sentence: The daughters were ordered by their father to kill their husbands on the first night of their weddings and this they all did with the exception of one, Hypermnestra, who spared her husband Lynceus because he respected her desire to continue a virgin.
Split into simpler sentences: The daughters were ordered by their father to kill their husbands on the first night of their weddings and this they all did with the exception of one. Hypermnestra spared her husband Lynceus because he respected her desire to continue a virgin.