Her article in thepeerage is here. Lord Coventry wwas her second husband.
From artuk.org; shadows filled in to reveal skirt.
Lady Elizabeth wears an opaque black veil over a black version of the dress with broad lace collars seen in the 1630s.
Keywords: van Ceulen, Elizabeth Aldersey, Elizabeth Coventry, Baroness Coventry of Aylesborough, Aldersey family, Coventry family, Baroness, British, curly coiffure, veil, bodice, high neckline, lace collar, under-bodice, pendant, long full sleeves, lace back-flared cuffs, girdle, shallow vee waistline, full skirt