Parse this person name:

Christa Koch II, 1550-1615, flourished 1572-1593
user
first_name: Christa
last_name: Koch II
middle_names: []
temporal:
- start: 1550
  end: 1615
  type: life_span
- start: 1572
  end: 1593
  type: flourished
titles: []
extra_info: []
assistant