Fuller, Robert Thomas (b. ca. 1824), attorney, circuit judge, and planter, was born at Leasburg, Caswell County. He was graduated from The University of North Carolina in 1844 and studied law. Beginning about 1850 he was a practicing attorney in Arkansas for more than forty year. Fuller settled at Princeton, Ark., in Dallas County and never relocated. His interests included Whig politics and his 2,300-acre plantation with twenty-three slaves. When Arkansas's first Secession Convention met on 4 Mar. 1861, the day of Abraham Lincoln's inauguration, Fuller was among the delegates who opposed secession. On 6 May 1861, however, after Fort Sumter, he joined those in the second convention who voted for secession and thereafter gave his firm support to the Confederacy. After the was he served as a state circuit court judge.

Fuller married Agnes B. Smith, the daughter of Dr. W. F. Smith, a physician. They had six children: J. W., Robert C., Alex J., Samuel G., Agnes, and Thomas F.