A poor father raised them for 30 years—the day they became billionaires, the biological mother returned demanding a billion… and the ending left her paralyzed.

Ray Miller was a man of cedar and oak. He spent his life in a small town tucked along the banks of the Tennessee River, running a modest carpentry shop. He wasn’t a man of many words, but his hands spoke for him—crafting sturdy dining tables for neighbors and fixing door frames rotted by the humid river air.

He was …