I don't know if this will help Archibald was my gg grandfather. Here what I have Elisabeth Chapman b.1877 d.1976 Father Elam Shap Chapman b.1857 d.? married Martha Aiken b. aprox 1860 d.? Martha was the daughter of Archibald Aiken and Martha Byers. If You have anymore info please let me know, If I get anymore I'll pass it along to you. J.L.