crazypom

hi im wondering if anyone can help me i have a pr visa with my 3 children on it, now things have changed any my 2 oldest boys age 10 and 13 wanted to go to the uk to live with there dad who isn't on there birth certificate i said they could go, now i haven't told immigration in Perth they are not in Australia as they will probably already no because they have left threw immigration at the airport, now my question is when i go for my citizenship next June will they automatically get citizen ship with being on my pr visa even tho they are in uk or not as there dad isn't letting them come back to oz.... any advise will be much appreciated thanks karen