iMessage goes to wrong recipient

None of these suggestions worked for me. I STILL get just one couple I know coming up as the wrong recipient. IOS amc OSX etc etc all up to date.

Why Apple why? :(

It worked!!!...THANK YOU!

My wife and I are in the same boat. Returned from Australia to the US and now our messages to each other go to the Australian number (which we don’t have anymore). Hoping someone has a fix!

Email goes to my husbands name. I want to take his name off

9 mos later....I’m having this same issue. 🤬

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Create an Apple ID for your child

Use the steps below to create an Apple ID for your child, then add them to your family group. After you add your child to your family group, they will have their own Apple ID that they can use on any Apple device. Your email address is the rescue email address for your child’s account, and you can use it with the security questions you provided to reset a forgotten password.

If the child already has a Game Center account, but not an Apple ID, you don't need to create a new account for them. Just search for their nickname instead.

iPhone, iPad, or iPod touch

1. Go to Settings > [your name] > Family Sharing > Add Family Member > Create a Child Account > Next. If you're using iOS 10.2 or earlier, go to Settings > iCloud > Family.
2. Enter your child's birthday and tap Next. Be sure to enter the correct date.
   
3. Review the Parent Privacy Disclosure and tap Agree.
4. Enter the requested information for your payment method and tap Next. If you don't have a payment method on file, you need to add one.
5. Enter your child's name, tap Next, then create their Apple ID (username@icloud.com) and tap Next. Tap Create.
6. Follow the onscreen instructions to set a password, choose security questions, and set up your child's account. Choose passwords and security questions that you can both remember.
   
7. Turn on Ask to Buy to approve all iTunes, Apple Books, and App Store purchases initiated by your child. You will be responsible for all charges to your account. Tap Next.
8. Review the Terms and Conditions. Tap Agree.

I tried everything and landed on something by mistake. I noticed that when I went into my contacts, searched one of my kids, then clicked edit, all the way down at the bottom is "Linked Contacts". It showed the other family members. When I deleted those on each IOS Device, it took care of the issue. Maybe a workaround that could work for others?

This did not work...after restart, I went in to turn iMessage back on and it was already on even though I turned it off prior to restart.

Since I have owned smartphones, I have always purchased the apple product. This will be the last iPhone I ever purchase...was debating to go with Pixel when I bought X...big mistake. It seems like their iOS updates are more and more buggy...probably offshored development.

I based my remarks on this from the Apple website that talked about all of the iOS 12 features.

Resolves an issue that caused messages to be merged into one thread when two users were signed in with the same Apple ID on multiple iPhones

It also stated the same thing in the Software Update setting.

So you are saying that it did not work for you then?

Did you try deleting the infected conversations?

Just go to Settings/Messages/Send & Receive and uncheck the phones and/or emails that are not your specific one.