Mary Ponsonby Peerage person ID=140215 Parents Chambré Brabazon Ponsonby Mary Barker Children Grace Barton William Barton Chambré Brabazon Barton Mary Barton Charles Robert Barton Catherine Barton Siblings Frances Ponsonby Sarah Ponsonby Chambré Brabazon Ponsonby-Barker Anna Maria Staples Sir Robert Staples, 8th Bt. Partners Thomas Barton