Parse this person name:

Marten Röhricht, 1946-1995, flourished 1964-1984
user
first_name: Marten
last_name: Röhricht
middle_names: []
temporal:
- start: 1946
  end: 1995
  type: life_span
- start: 1964
  end: 1984
  type: flourished
titles: []
extra_info: []
assistant