Parse this person name:

Fem Merkx (1899-1972, flourished 1916-1936)
user
first_name: Fem
last_name: Merkx
middle_names: []
temporal:
- start: 1899
  end: 1972
  type: life_span
- start: 1916
  end: 1936
  type: flourished
titles: []
extra_info: []
assistant