Lanassa was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Pyrrhus, who she married in ABT 0295 B.C.. The place has not been found. They had no known children.
Her second husband was Demetrius I Poliorcertes, who she married in 0290 B.C.. The place has not been found. They had no known children.
Note 1
daughter of Agathocles, tyrant of Syracuse