Parse this person name:

Liesbeth Gerdi R. H. Dowerg, Saarbrücken, died 1306
user
first_name: Liesbeth
last_name: Dowerg
middle_names:
- Gerdi
- R.
- H.
temporal:
- start: null
  end: 1306
  type: life_span
titles: []
extra_info:
- Saarbrücken
assistant