Yes, you may be able to purchase a burial insurance policy on a member of your family.
In fact, many people do this each day, when they purchase a burial insurance policy on their elderly parents to make sure there is money available to pay for their parent's funeral and burial expenses.
In order to get burial insurance on another person you need insurable interest on that person, and the insurer may or may not require the permission of the person you want to insure.
Usually, insurable interest does exist between family members.
For example, insurable interest exists between an adult child and the child's parents because the adult child may suffer a financial loss upon the passing of a parent, since they may pay for the parent's burial costs.
Here's how to learn more about buying
burial insurance on your family members.