How do I give a family member access to Xfinity Stream App?

An AI search engine said:

To log in to the Rogers Xfinity Stream app for a family member, they will need to use your MyRogers or MyRogers (Shaw) username and password. Each account can register up to 5 devices, allowing family members to access the app simultaneously.
 rogers.com
 shawdirect.ca

Is this correct?