I know owning slaves was common at that time,but the second part is a little unsettling

Judge men by the standards of their time.

We should always remember that the founders were human at the end of the day. I don't know what you have done that gives you the right to judge him though, there are people today who are worse than he ever was and few today can claim to be his equal or better. Its sad how many maggots stand on his shoulders only to look down on him.