Parse this person name:

Stef Peterse, 1729-1780, flourished 1747-1759
user
first_name: Stef
last_name: Peterse
middle_names: []
temporal:
- start: 1729
  end: 1780
  type: life_span
- start: 1747
  end: 1759
  type: flourished
titles: []
extra_info: []
assistant