Parse this person name:

Norah Martens (1836-1909, flourished 1856-1872)
user
first_name: Norah
last_name: Martens
middle_names: []
temporal:
- start: 1836
  end: 1909
  type: life_span
- start: 1856
  end: 1872
  type: flourished
titles: []
extra_info: []
assistant