The Seven sisters are all Chosen of Mystra and they all get the innate abilities that are customary for Chosen (silver fire, etc).
Here they are in terms of age:
Sylune: Don’t know exactly what you’d call her – a Spectral Harper, probably
Endue Alustriel:High Lady of Silverymoon, Knight of Myth Drannor
Ambara Dove Falconhand - Ranger
Anamanue Laeral Silverhand: Lady Mage of Waterdeep
Ethena Astorma (Storm) Silverhand – Master Harper, Bard of Shadowdale
Alassra Shentrantra: The Simbul and ruler of Aglarond
Qilue Veladorn: Born of a drow priestess of Eilistraee named Veladorn, Chosen of both Mystra and Eilistraee, High Priestess
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