Parse this person name:

Siegmar Schenk (1782-1861, flourished 1806-1816)
user
first_name: Siegmar
last_name: Schenk
middle_names: []
temporal:
- start: 1782
  end: 1861
  type: life_span
- start: 1806
  end: 1816
  type: flourished
titles: []
extra_info: []
assistant