To complete the emasculation of this whilom doughty people, the Austrian had sold them, on moderate terms, the privilege of not furnishing recruits to the imperial army.
-- Stendhal, The Charterhouse of Parma
When this ceremony was over Mrs. Ebley found herself conversing with her whilom object of contempt, and coming gradually under the influence of his wonderful charm, while Stella stood there trembling with the wildest excitement she had yet known.
-- Henry James, The Point of View
Whilom was a conjugation of while in Old English (the dative case.)