Parse this person name:

Bruynzeels Merckx, Johanna Sofie O. Brian Z. U., 1903-1971
user
first_name: Johanna
last_name: Bruynzeels Merckx
middle_names:
- Sofie
- O.
- Brian
- Z.
- U.
temporal:
- start: 1903
  end: 1971
  type: life_span
titles: []
extra_info: []
assistant