You're in serious error. Everyone has to believe for themselves. You're not saved because your parents were saved. Look at the passage:
(Acts 16:30-32 NIV) He then brought them out and asked, "Sirs, what must I do to be saved?" {31} They replied, "Believe in the Lord Jesus, and you will be saved--you and your household." {32} Then they spoke the word of the Lord to him and to all the others in his house.
Right. His whole household would be saved if they believed. Not if he was the only one who believed.
RE: Doubts about your salvation and that of your family?