Astrid

Astrid Warren-Wentworth was a witch in the Warren line. She was the daughter of Helen Warren, and the Granddaughter of Grace Warren Wentworth.

The Charmed Ones used Astrid's name in a spell to call upon the power of their ancestors, which they used to vanquish several of the most powerful demons.


 * "Prudence, Penelope, Patricia, Melinda,
 * Astrid, Helena, Laura and Grace.
 * Halliwell witches stand strong besides us,
 * Vanquish this evil from time and space."

It successfully defeated the Source, and later the Source as it inhabited Cole. It was unsuccessful however in vanquishing Barbas. ("Charmed and Dangerous", "Long Live the Queen", "Sympathy for the Demon")

Powers
As for being a witch she possesses the basic powers of a witch like scrying, potion making, and spell casting. Her active powers are seduction, enchanting, luring, cursing, and apportation. She was a very powerful witch!

Apocrypha
There are three possible last names for the Astrid in the spell:


 * Astrid Bowen, born in 1876, died in 1940 She is the daughter of Helena Bowen and Milton Jones. Because she is the daughter of Helena Bowen, the Astrid in the spell is probably Astrid Bowen.
 * Astrid Manon, born in 1860, died in 1922. She is the daughter of Lucianna Thomas and Robert Manon.
 * In "The Warren Witches", an "Astrid Warren-Wentworth" is mentioned briefly.