Parse this person name:

Stumpf'Matthäi, Jochen J. (Jochen Jerzy), 1244-1298
user
first_name: Jochen
last_name: Stumpf'Matthäi
middle_names:
- Jerzy
temporal:
- start: 1244
  end: 1298
  type: life_span
titles: []
extra_info: []
assistant