Parse this person name:

Rebekka Speer (1334-1375, flourished 1349-1361)
user
first_name: Rebekka
last_name: Speer
middle_names: []
temporal:
- start: 1334
  end: 1375
  type: life_span
- start: 1349
  end: 1361
  type: flourished
titles: []
extra_info: []
assistant