This may be her article from thepeerage, "Elizabeth Drake F, #105584
Elizabeth Drake is the daughter of Sir John Drake and Hon. Eleanor Boteler. She married Sir Winston Churchill, son of John Churchill and Sarah Winston, in May 1643." The article lists nine children.
Lady Elizabeth looks awkward in this portrait with a jeweled stomacher bordered by scalloped edges of her bodice while her breasts appear ready to spill out momentarily.
Keywords: Bower - Edward, Elizabeth Drake, Drake family, Churchill family, British, long straight coiffure, bun, headdress, trapezoidal neckline, chemise, cuffs, bodice, three quarter length puffed sleeves, slashed sleeves, stomacher, vee waistline, full skirt, necklace, earrings, clasps, wrap