I wish I could help you with this, I know how important help can be. Unless the family you are looking for are maybe cousins of my great-great-grandfather Monroe Roberts, who lived in Union, Greene County, Arkansas most of his life and is buried there in Gainsville Cemetery I can't verify that any of the names you listed are members of my family. I know that Monroe Roberts married a Mary Wilson from family Bible records and remained married to her for many years. However I do not know who his siblings where, we have not been able to trace that part of his history. The census records did not list other members of the family until 1850 and we do not know where he lived prior to marrying Mary Wilson. He said he was born in Mississippi or Tennessee, my Dad said as far as he knew his great-grandfather was born in Wales. I had hoped to get to Greene County this past summer but my husband died suddenly in April and that left me unable to go.
Sorry I can't help anymore than this.