Parse this person name:

Marcelo Valverde, 1719-1769, flourished 1735-1757
user
first_name: Marcelo
last_name: Valverde
middle_names: []
temporal:
- start: 1719
  end: 1769
  type: life_span
- start: 1735
  end: 1757
  type: flourished
titles: []
extra_info: []
assistant