Parse this person name:

Romuald Dietz (1559-1620, flourished 1578-1603)
user
first_name: Romuald
last_name: Dietz
middle_names: []
temporal:
- start: 1559
  end: 1620
  type: life_span
- start: 1578
  end: 1603
  type: flourished
titles: []
extra_info: []
assistant