Parse this person name:

Mesut Tschentscher, 1226-1282, flourished 1252-1277
user
first_name: Mesut
last_name: Tschentscher
middle_names: []
temporal:
- start: 1226
  end: 1282
  type: life_span
- start: 1252
  end: 1277
  type: flourished
titles: []
extra_info: []
assistant