Parse this person name:

Yinthe Symons (1395-1449, flourished 1418-1444)
user
first_name: Yinthe
last_name: Symons
middle_names: []
temporal:
- start: 1395
  end: 1449
  type: life_span
- start: 1418
  end: 1444
  type: flourished
titles: []
extra_info: []
assistant