This is the raw record I have of this family group. It's pretty bare-bones but maybe it will help you.
Husband Thomas ADNEY Birth: About 1740 Kings Square,Clarkenwell Parish, London, England Marriage: about 1776 near Cape Fear, , , North Carolina Death: About 1810Adney Gap, VA Burial: Wife Elizabeth Dunn daughter of Daniel Dunn
Birth:about 1755 Dublin Ireland Death:after 1826 Indiana Children of this marriage:
Elizabeth Adney Female Birth: About 1777 <, , Indiana> Death: About 1857
Thomas Adney Male Birth: About 1780 , , Virginia Death: 1857
Anne Adney Female Birth: About 1788 , , Virginia Death:
William Alexander Dunn Adney Male Birth: About 1790 (1779), Franklin, Virginia Death: About 1852
I'm sorry to say that I have no information on any of the children other than William.