Parse this person name:

van Haspengouw, Megan Jack Thom., Buren (1244-1320)
user
first_name: Megan
last_name: van Haspengouw
middle_names:
- Jack
- Thom
temporal:
- start: 1244
  end: 1320
  type: life_span
titles: []
extra_info:
- Buren
assistant