Parse this person name:

Fenna de Man (1387-1438, flourished 1402-1421)
user
first_name: Fenna
last_name: de Man
middle_names: []
temporal:
- start: 1387
  end: 1438
  type: life_span
- start: 1402
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant