Ethelwulf

Alfred the Great

Edward the Elder

Edmund I

Edgar

Ethelred II

Edmund Ironside

Edward the Etheling m. Agatha, daughter of Henry II, Emperor of Germany (Descendant of Charlemagne)

Margaret m. Malcolm III, King of Scots

David I

Henry, Earl of Huntingdon m. Ada, daughter of William de Warren and Isabella de Vermandois

David, earl of Huntingdon

Margaret m. Alan, Lord Galloway

Helen m. Roger de Quincy

Refer from here to Mallory Genealogy