When it comes to travel insurance, there's a pretty strict definition of what counts as a "close relative".
Here's the (pretty hefty) list. To be a close relative, someone has to be your:
- Mother
- Father
- Sister
- Brother
- Fiance(e)
- Wife
- Husband
- Civil partner
- Domestic partner
- Daughter
- Son
- Grandparent
- Grandchild
- Mother-in-law
- Father-in-law
- Son-in-law
- Daughter-in-law
- Sister-in-law
- Brother-in-law
- Stepfather
- Stepmother
- Stepdaughter
- Stepson
- Stepbrother
- Stepsister
- Next of kin
- Guardian