You can update your next of kin details at any time through your My Mirror profile. Here's how:
Log in to your My Mirror account and navigate to your Profile tab. On a desktop or laptop, this is in the left-hand side menu. On a mobile device, find it under the dropdown menu near your name in the top right-hand corner.
Scroll down to the Next of kin section and update your details as needed.
Click Update my information to save your changes.