can anyone answer my question pls...

I am a nanny and about to complete my 24 months,want to know how can i apply for OWP and PR at the same time,and i know my case are so complicated cuz i have 2 kids with diffrent father,married for the first one and got separated for 8 yrs and for the second father not married and also separated, i know when i include my kids on my application their father's consent needed, i dont even know where the first father is i don't know what to do about this, my application here was married although i've been separated for so many years but when i change my employer and got my new permit i checked separated for the marital status is there any conflict for this, i know i do have lots of problems when submitting my papers and lots of requirements to submit. Hope somebody will help me thanks in advance.cheers!