Parse this person name:

Ulf Stroh (1214-1268, flourished 1242-1260)
user
first_name: Ulf
last_name: Stroh
middle_names: []
temporal:
- start: 1214
  end: 1268
  type: life_span
- start: 1242
  end: 1260
  type: flourished
titles: []
extra_info: []
assistant