Three years later , when she was 67 , she shocked polite society by marrying her 29-year-old secretary , the American-born William Lehman Ashmead Bartlett , who became MP for Westminster on 12 February 1881 .
She married her 29-year-old secretary , the American born William Lehman Ashmead Bartlett , who later became MP for Westminster on 12 February , 1881 .