Parse this person name:

Bertram Steckel (1333-1385, flourished 1348-1358)
user
first_name: Bertram
last_name: Steckel
middle_names: []
temporal:
- start: 1333
  end: 1385
  type: life_span
- start: 1348
  end: 1358
  type: flourished
titles: []
extra_info: []
assistant