Parse this person name:

Ansgar Koch (1524-1573, flourished 1546-1557)
user
first_name: Ansgar
last_name: Koch
middle_names: []
temporal:
- start: 1524
  end: 1573
  type: life_span
- start: 1546
  end: 1557
  type: flourished
titles: []
extra_info: []
assistant