Parse this person name:

Meijer Steenbakkers, Lenn Yinthe, 1282-1340
user
first_name: Lenn
last_name: Meijer Steenbakkers
middle_names:
- Yinthe
temporal:
- start: 1282
  end: 1340
  type: life_span
titles: []
extra_info: []
assistant