Your Rebecca may be the sister to my Rachel, who was the daughter of John Bruce Jr, if I remember correctly. I have read o f the Mundays, but have never researched that family not being any blood relation to me. I do know the Bruces were pure Scottish, probably the original immigrants to Virginia, since no where can I find any legal documents about them before they suddenly appear in Halifax Co., Va., buying land (circa 1750). I am descended from the Dunkley family of Halifax County, also another Scottish family. Sorry I can not be any more help...as an aside: my Rachel lived to be 90 years old, quite an accomplishment for ladies in that age.