Add spot to include name behind phone numbers and emails (max of 10 characters)

We have juvenile clients whose parents we use their phone number. It would be nice to be able to provide their name (currently I am using the ext. spot to put their name in but it only allows 10 characters) to distinguish the mom, dad or child's phone number, additionally, there should be more options for mobile phones, emails. We also have friends who are added for client's files to help interpreter and we need a spot for their phone number, email, etc.