Siri thinks I am someone else

Siri thinks I am my son. I’ve tried going to settings general and following the directions that they gave somebody who had an iPhone 5. I do not have a Siri option under general so I was wondering how do I reset this so that I am not my son but I’m my own person Siri thinks I am my son. I’ve tried going to settings general and following the directions that they gave somebody who had an iPhone 5. I do not have a Siri option under general so I was wondering how do I reset this so that I am not my son but I’m my own person. ? I got my iPhone first and have added my son and my daughter on as family. My phone keeps confusing me with my son and it’s really quite frustrating . It keep selecting his picture as mine and I have to keep changing it to me but it never seems to stick. Is there a fix for this?