Parse this person name:

van Opper-Lotharingen-van Gent, Alyssa (flourished 1280-1315), flourished 1280-1315
user
first_name: Alyssa
last_name: van Opper-Lotharingen-van Gent
middle_names: []
temporal:
- start: 1280
  end: 1315
  type: flourished
titles: []
extra_info: []
assistant