Parse this person name:

Sigismund Mies (1835-1885, flourished 1852-1874)
user
first_name: Sigismund
last_name: Mies
middle_names: []
temporal:
- start: 1835
  end: 1885
  type: life_span
- start: 1852
  end: 1874
  type: flourished
titles: []
extra_info: []
assistant