Gladys Helen Louisa Rowley (died 1891) (d. 1891) Parents Hercules Langford Boyle Rowley Louisa Jane Campbell Children Marjorie Gladys Guinness Siblings Armine Charlotte Rowley Evelyn Augusta Rowley Arthur Langford Sholto Rowley, 8th Baron Langford of Summerhill Hercules Douglas Edward Rowley Partners Claude Hume Campbell Guinness