For when Alexander, in whose hands the place was, had died of poison given him (it is said) in obedience to Antigonus, and his wife Nicaea had succeeded to his power and was guarding the citadel, Antigonus at once sent his son Demetrius to her in furtherance of his schemes, and by inspiring her with pleasant hopes of a royal marriage and of wedded life with a young man who would be no disagreeable company for an elderly woman.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1926. 11.
Remark :
perpetrator: As the actual perpetrator is not named by Plutarch, they remain unknown.