Parse this person name:

Franck Riou, 1881-1946, flourished 1903-1920
user
first_name: Franck
last_name: Riou
middle_names: []
temporal:
- start: 1881
  end: 1946
  type: life_span
- start: 1903
  end: 1920
  type: flourished
titles: []
extra_info: []
assistant