John Pemberton (Earth-2: Post-Crisis)

"I mean, everyone that ever knew, they ended up dead. Sylvester's parents. Our contact in the FBI. I was hoping that this life was behind me. And when I met you..."

- Pat Dugan to Barbara Whitmore

An unnamed man was the wealthy father of Sylvester Pemberton and Merri Pemberton, the husband of an unnamed woman, the father-in-law of Henry King Sr. and the grandfather of Henry King Jr.

Biography
At some point, the man married an unnamed woman, and they had two children, a son named Sylvester Pemberton and a daughter named Merri Pemberton.

When Sylvester was fifteen years old, the family hired the twenty-year-old Pat Dugan as a driver and mechanic, who later helped Sylvester when he put on a mask to stop a group of criminals who were threatening his parents. The man and his wife eventually discovered their son's activities as a vigilante and were murdered as a result.