Who+Am+I+-+7

1. I was a famous general during the Cival War. 2. I surrendered to Ulysses S. Grant at Appomatox Court house.

3. I graduated from West Point Military Academy 2nd im class without a single demerit in my 4 years there.

4. My most famous victory was at Chancelloresville in 1863, and my fther was good friends with George Washington.

Who Am I?