Parse this person name:

Gerhild Röhrdanz-Siering, flourished 1744-1754, flourished 1744-1754
user
first_name: Gerhild
last_name: Röhrdanz-Siering
middle_names: []
temporal:
- start: 1744
  end: 1754
  type: flourished
titles: []
extra_info: []
assistant