It was a hoax.
This weirdo was always lying about related to Robert E. Lee.
“The Rev. Robert W. Lee IV, known as Rob, has, since 2016, parlayed his ancestry on behalf of what many may regard as a noble cause — removing Confederate statues and memorials. The pastor stood with Virginia Gov. Ralph Northam when the governor announced last June, in the wake of the George Floyd protests, that a statue of Robert E. Lee in Richmond would be removed.
“There are members in my family who are shaking in their boots. I’m sure my ancestor Robert E. Lee is rolling in his grave, and I say, let him roll,” Lee told a crowd.
When Northam introduced Lee, he said: “We’ve been talking about his great-great-grandfather.” …
But there is no evidence that Rob Lee, who was born in North Carolina, is related to Robert E. Lee, according to The Fact Checker’s review of historical and genealogical records. We were aided in our search through these records by a retired Los Angeles trial lawyer and Civil War chronicler named Joseph Ryan, as well as an official at Stratford Hall, the ancestral home of the Virginia Lee family. …”
From Source