Parse this person name:

Gelsomina Tonisto (1283-1342, flourished 1311-1337)
user
first_name: Gelsomina
last_name: Tonisto
middle_names: []
temporal:
- start: 1283
  end: 1342
  type: life_span
- start: 1311
  end: 1337
  type: flourished
titles: []
extra_info: []
assistant