Parse this person name:

Lara Helmerhorst, 1277-1346, flourished 1306-1318
user
first_name: Lara
last_name: Helmerhorst
middle_names: []
temporal:
- start: 1277
  end: 1346
  type: life_span
- start: 1306
  end: 1318
  type: flourished
titles: []
extra_info: []
assistant