Author: Atarah al'Norahn
The full name was not recorded in the main series, but was given in the Wheel of Time Companion. Other information about the character is also included in the Companion, but we did not use it in the TarValon.Net Library.
As Alviarin leaves Elaida's apartments, she sees several sisters. Kera and Berisha curtsy to her. Alviarin thinks to herself that Kera and Berisha are all too aware that they have been pushed aside by Elaida, and that perhaps they think that if they show courtesy to Alviarin, Alviarin might intercede with Elaida should it become necessary.
(Reference: A Crown of Swords, Prologue)