Parse this person name:

Dagmar Mentzel, 1496-1544, flourished 1515-1539
user
first_name: Dagmar
last_name: Mentzel
middle_names: []
temporal:
- start: 1496
  end: 1544
  type: life_span
- start: 1515
  end: 1539
  type: flourished
titles: []
extra_info: []
assistant