my mother eligible for ILR or not Help

[khanjaan]

we are 2 brother and 4 sisters and mum and dad.
all of us are married two sisters are in pakistan and two here 1 got married to british national and one is on a student visa .
my brother is in pakistan and myself i have applied for tier 1 general visa .
my Grandad and grand mum were british they passed away but on the documents it is mentioned that my mum is one of the daughter .
My mum got 2 brothers and 1 sister all british.
i recently called my mum and dad here for my marriage on a visit visa .
My question is that have my mum dad got any chance of becoming british or ancestor visa or to get ILR.
And if yes who else can get permanent stay here regards to her kids.thanks please do reply and help

[geriatrix]

Duplicate post