Applying for PR as married to English person

[KrissiA]

Hi all,
I have question regarding PR. I'm of a polish nationality and married to an English man and we have child together (I have 2 children of my own from previous relationship but not marriage both children were born in UK) I have been in UK since 1995 went to school, college and then studied at the University which I got BA degree as a result, worked here etc. literally contributed to the society and I would like to know what are my chances of getting permanent residency especially with Brexit coming into affect in 2 yrs? Can the government ask me to leave and split my family apart? Do I actually need the Permament Residency if I don't want to? As to me it is so much hassle. I have never applied for PR or citizenship before as I didn't need it.
Any help is much appreciated, especially from people with similar experience.

[MrSlyFox]

What status did you have prior to beocming an EU national (i.e. 1995 to Polands accesion to the EU).
Were you granted ILR? check your old passports

[KrissiA]

What status did you have prior to beocming an EU national (i.e. 1995 to Polands accesion to the EU).
Were you granted ILR? check your old passports

I came to UK with my dad who had work permit visa I therefore had to go to school as at that time I was 16. Later when I become 18 I had status granted to stay then in 2004 I got WRC under the Worker Registration Scheme.
Many thanks.