According to her article in thepeerage, she was Catherine Knyvett’s daughter. She married Edward Vaux shortly after William Knollys, her first husband, died. Two children survived to adulthood.
From artuk.org; fixed the upper edge with Photoshop and filled in shadows to bring out the drapery of her veil and dress. Also posted to the Late Farthingale Era - 1590 to 1620 Album here.
Lady Elizabeth’s belt matches her under-dress. She wraps her veil around to the front of her conical skirt and ties it to her belt.
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