Parse this person name:

Marius Rosemann, 1321-1374, flourished 1340-1364
user
first_name: Marius
last_name: Rosemann
middle_names: []
temporal:
- start: 1321
  end: 1374
  type: life_span
- start: 1340
  end: 1364
  type: flourished
titles: []
extra_info: []
assistant