British Citizenship for European citizen

[sulu]

MY son of 5 years old is British holding a British passport. I am Italian (mother) and I have lived in this country for 15 years. I am entitled to British citizenship because my son is British?

[noajthan]

MY son of 5 years old is British holding a British passport. I am Italian (mother) and I have lived in this country for 15 years. I am entitled to British citizenship because my son is British?

No.

What have you done in UK for 15 years?
Have you exercised treaty rights in order to acquire PR?

For Union citizens, PR is a first step on the road to the holy grail of citizenship and a British passport.