Parse this person name:

Ekkehard Oestrovsky-Christoph (1736-1770), 1736-1770
user
first_name: Ekkehard
last_name: Oestrovsky-Christoph
middle_names: []
temporal:
- start: 1736
  end: 1770
  type: life_span
titles: []
extra_info: []
assistant