"Virginia Revolutionary Pension Applications", Vol. Six; Abstracted and Compiled by John Frederick Dorman.
Page 66
John Berry also served one month as a substitute for his brother-in-law John Tate. This was in the Fall, shortly before Cornwallis' capture in Oct 1781, under Capt. William Tate in Col. Boyer's regiment. He was under Gen. Campbell, a militia officer who died on this expedition.