Thunder Bolt
Silly old bat
I am, she has been told she is legal and not illegal, she has until 2024 to follow up on her legal status and claim the citizenship she is entitled to
She is a British citizen. It's not up to her to claim it anymore than it is for you to claim it.
The other government departments will have records of tax and NI payments, so let the brand new snazzy team Amber Rudd has set up do their work properly.
The Home Office had enough civil servants to identify her as an 'illegal' so now let them provide the documents they will already have.