There may be an additional son Robert born in 1803 in Virginia, but he wasn't listed on the 1820 North Carolina census.
Robert and Nancy Peake's grandsons, Leonard and Samuel, married two Booth sisters, Martha Ann and Margaret
Children [ 1. Children Peggy PEAKE b: ABT. 1791 -- questionable ] 2. Children Littlebury PEAKE b: ABT. 1808 3. Children William PEAKE 4. Children John Comer PEAKE b: ABT. 1808 5. Children Robert PEAKE b: ABT. 1813 6. Children Nancy PEAKE b: ABT. 1815 (Robert and Thomas?)