Will you believe it or not, the people who help me all I have today is that the people that I've known my brother or sister, not that grew up together and help them.
You would not believe the people who help me everything that I have today is that I had not known my brother or sister who grew up together and help him through it.
You believe it or not, who help me everything until I have today is the person who I know is not my brother or sister grew up together and help him all along.