Parse this person name:

Leyla G. (Leyla Gabriel) Langern-Gröttner, 1891-1930
user
first_name: Leyla
last_name: Langern-Gröttner
middle_names:
- Gabriel
temporal:
- start: 1891
  end: 1930
  type: life_span
titles: []
extra_info: []
assistant