Defender of the Faith, a title conferred by Pope Leo X. in 1521 upon Henry VIII. for his defence of the Catholic faith in a treatise against Luther, and retained ever since by the sovereigns of England, though revoked by Pope Paul III. in 1535 in consequence of Henry's apostasy.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Defauconpret * Deffand, Marie, Marquise du