Parse this person name:

Bayram Margraf (1739-1788, flourished 1765-1783)
user
first_name: Bayram
last_name: Margraf
middle_names: []
temporal:
- start: 1739
  end: 1788
  type: life_span
- start: 1765
  end: 1783
  type: flourished
titles: []
extra_info: []
assistant