Parse this person name:

Gudrun Schleich (1437-1499, flourished 1458-1478)
user
first_name: Gudrun
last_name: Schleich
middle_names: []
temporal:
- start: 1437
  end: 1499
  type: life_span
- start: 1458
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant