Parse this person name:

Heser, Theodor Gordon Asta L. Sibylla., Hainichen (1669-1689)
user
first_name: Theodor
last_name: Heser
middle_names:
- Gordon
- Asta
- L.
- Sibylla
temporal:
- start: 1669
  end: 1689
  type: life_span
titles: []
extra_info:
- Hainichen
assistant