Parse this person name:

Romuald Döhn (1849-1893, flourished 1877-1888)
user
first_name: Romuald
last_name: Döhn
middle_names: []
temporal:
- start: 1849
  end: 1893
  type: life_span
- start: 1877
  end: 1888
  type: flourished
titles: []
extra_info: []
assistant