Lady Cecilia Augusta Conyngham (1831-1877) (1831–1877) Parents Francis Conyngham, 2nd Marquess Conyngham Lady Jane Paget Children Sir Theodore Brinckman, 3rd Baronet Claude Ernest William Brinckman Siblings Lord Francis Conyngham Lady Frances Conyngham Jane Spencer, Baroness Churchill Lady Elizabeth Georgiana Conyngham George Conyngham, 3rd Marquess Conyngham Partners Sir Theodore Brinckman, 2nd Baronet