Parse this person name:

Lehmann Bärer, Franziska Gretchen Marek C. Karlheinz Manja
user
first_name: Franziska
last_name: Lehmann Bärer
middle_names:
- Gretchen
- Marek
- C.
- Karlheinz
- Manja
temporal: []
titles: []
extra_info: []
assistant