At birth he would have been a high caste Hindu. The options of Christianity and Islam would have not been open to hin since these were not existant fo several hundred years after his death.
Siddhartha's mother was Queen Mahamaya. She died several days after his birth.
Siddharthas sons name was 'Siddhartha'
Gautama
It changed by Siddhartha wanting to become an ascetic and find enlightenment.
It's an astrological birth sign, NOT a religion.
there religion was Christianity as the upcoming birth of Jesus Christ.
Missionaries had to travel to distant lands to spread Buddhist teachings.
Not by birth and religion.
Judaism was one major religion.
Zayn Malik did not change religion. He is a muslim since birth.
California
Physics gave birth to Religion. Religion was the name of the bacon rebellion's leader, and Physics was Religion's mother. Both are now dead.