Research Duncanson Dunkinson Dunkerson Duncason IN US from Colonial to Present

I am searching for anyone who can give me information about an ancestor of mine---WILLIAM DUNCANSON b 1726, Clackmannanshire, Scotland. Convicted for a minor crime and "Transported" with his sister, CHRISTIAN DUNCANSON, who chose to accompany her brother. He escaped servitude and escaped into the wilderness of Spotslyvania County VA. with another indentured servant....What happened to her?? Indentured herself ? Married?? Records destroyed in VA. during Civil War