This portrait of a young Diana Cecil, according to the MutualArt notes about the auction of this work came, "By descent in the family of the sitter's second husband, Thomas Bruce, 1st Earl of Elgin..."
Keywords: 1618, van Somer, Diana Cecil, Cecil family, Bruce family, Countess, British, straight coiffure, floral headdress, high enclosing neckline, ruff, lace, tabbed sleeves, hanging sleeves, under-sleeves, necklace, earrings