Parse this person name:

Liv Hemma van Allemanië-Ponci (1903-1948, flourished 1926-1942)
user
first_name: Liv
last_name: Hemma van Allemanië-Ponci
middle_names: []
temporal:
- start: 1903
  end: 1948
  type: life_span
- start: 1926
  end: 1942
  type: flourished
titles: []
extra_info: []
assistant