Parse this person name:

Germán Álvaro (1726-1773, flourished 1744-1758)
user
first_name: Germán
last_name: Álvaro
middle_names: []
temporal:
- start: 1726
  end: 1773
  type: life_span
- start: 1744
  end: 1758
  type: flourished
titles: []
extra_info: []
assistant