To be Jewish is not a birth-right. One can not be born Jewish.
To be Jewish is to believe in Moses, the 10 Commandments and the 613 laws just as given by Moses. To be Jewish is to follow all the traditions set forth by Moses, and the Prophets.
Your ancestors if you are of a nationality of that region may be Hebrew. but Jewish is a religion not a people (nationality). You think you look like a Hebrew would be a more accurate statement.
To be Christian is to confess to believe in Jesus, but follow the teachings the of Moses, the 10 Commandments, 613 laws as given by Mose, to follow the teaching of the Prophets, Peter, Paul, the words and teachings as spoken by men and the churches.
To be a disciple is to believe in Jesus, follow His 77 Commandments, 77 laws, and the words just as given to Jesus and spoken by Jesus by God our Father.
A person can not be born into any religion, a person is born without religion, and may be subjected to a religion by it's family (mother/father) but the ultimate choice of which religion if any they will associate with is theirs and theirs alone.