There are 7 types of personal allowances that are available:
- Married Person’s Allowance
- Child Allowance
- Dependent Brother or Dependent Sister Allowance
- Dependent Parent and Dependent Grandparent Allowance
- Single Parent Allowance
- Disabled Dependent Allowance
- Personal Disability Allowance
Reference: https://www.ird.gov.hk/eng/faq/all.htm