Parse this person name:

Frieder Pärtzelt (1821-1887, flourished 1836-1846)
user
first_name: Frieder
last_name: Pärtzelt
middle_names: []
temporal:
- start: 1821
  end: 1887
  type: life_span
- start: 1836
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant