I don't have an answer but I really want to advise you to look at the one below it great. and make sure you read the scripture she suggest it's a good one:)
Explanation:
I'm a Jehovah's witness. so I'm a christian. But we are probably different than you if your a christian too. I cant explain a lot of it right now but If you want to talk, just comment or find a different way to contact me, don't want to annoy the one who created this question, oh also sorry for not answering your question and just using this to talk to people, but anyways I'm kinda new to brainly so you would have to figure out the way to talk :) so again make sure to check out the answer below me and give it five stars and a thanks!!!
The answer is Abraham, the father of Isaac and Jacob he did not start Christianity. In fact, Christianity is NOT a religion, it more of a commitment to someone who knows WAYYYY the heck more than anyone does that's right, i'm a Christian :) God spoke to him when he was 75 to go to Canaan ( and there was NO maps back then) it's in Genesis 12:1 (If you want to, go and read it for yourself) it's from the Bible