Please answer the following question: Read the bio below and try to give details on leandra becerra lumbreras 's:    - name       - known for     Bio: leandra becerra lumbreras -lrb- died 19 march 2015 -rrb- was a mexican revolutionary and supercentenarian who claimed , to have been born 31 august 1887 which would have made hers the longest known lifetime .
Answer:
- name is leandra becerra lumbreras- known for is claims of being oldest living person in modern history