Parse this person name:

Marijn Heerkens (1341-1395, flourished 1365-1383)
user
first_name: Marijn
last_name: Heerkens
middle_names: []
temporal:
- start: 1341
  end: 1395
  type: life_span
- start: 1365
  end: 1383
  type: flourished
titles: []
extra_info: []
assistant