Why do my numbers keep going on my mums phone?

[JLoToday]

My numbers keep going on my mums phone..

My phone numbers keep going onto my mums Lumia and we aren't connected in a that I can think, when she deleted the number on her phone they delete of mine and vice versa, help please

 

[saras112]

re:

Maybe your Lumia and your moms phone is connected with the same Microsoft Account

 

[JLoToday]

re:

Maybe your Lumia and your moms phone is connected with the same Microsoft Account

It is, thanks for letting me know