It is good to see the ongoing discussion on this line of Adams.I descend from Abraham and Barthia's son Richard.Richard b. abt 1715 in Beauford Co., NC and d. abt Jan 1788 in Richland Co., SC.He married Mary ?and had the following children: 1.John Carroll b. 1747 in SC;d. 1840 SC m.Sarah ? March 1, 1784 in Richland Co., SC children: 1. Richard J. 2. Ann Rona (Sarah) b. Jan 2, 1781 SC m. Pierce Bulger 2.Richard ma. Jane ? 3. William 4. James 5.Abraham Sorry I dont have any other info on the siblings of John Carroll.