Parse this person name:

Mielcarek Henk, Ottomar Hildegund Adem, 1845-1900
user
first_name: Ottomar
last_name: Mielcarek Henk
middle_names:
- Hildegund
- Adem
temporal:
- start: 1845
  end: 1900
  type: life_span
titles: []
extra_info: []
assistant