Yes there is a connection to a George M.D. Griggs to this family. George Dallas Griggs and Hannah Griggs (nee Robinson) were my great grandparents. My grandfather was Theodore F. Griggs. He (Theodore) had a brother, George D. Griggs(aka George M.D. Griggs(Sr.), born about 1867. George M.D. Griggs(Sr.) married an Edith Horn and had the following children, I think, who were George M. D. Griggs (Jr.) and a Harold or Howard Griggs. Do you have anything more current or older than what I have listed? Looks like we have common ancestors from George Dallas Griggs back. Did your father live in Williamsport, PA or nearby?