Lady Ruth's article in thepeerage is here. Mrs. Bouchier was the daughter of Sir Henry Bourchier Toke Wrey. Toke is a family name.
From edwardianpromenade.com/etiquette/the-court-presentation/; cracks in glass removed from right side and smears on dresses removed with Photoshop by gogm.
Bare shoulders are in style. Lady Francis' shoulders are bare, framed by straps, and Mrs. Ousbourne's shoulders are covered by sheer material. Both wear dresses with square necklines and gloves. Lady Francis' dress has a natural waistline while Mrs. Bouchier's dress has some blouson swelling.
Keywords: 1899, Lafayette, Blanche Ruth Brooke Tatton Grieve, Flora Bathurst Greive, Grieve family, Osborne family, Bouchier family, British, bouffant coiffure, tira, feathered headdress, veil, square neckline, bare shoulder sleeves, cap sleeves, waist band, blouson bodice, natural waistline, close skirt, train, floral bodice ornament, floral train ornament, necklace, bracelets