Leo IX.

Leo IX., saint; was elected at the Diet of Worms in 1048, welcomed at Rome, and applied himself zealously to the reform of Church discipline; being defeated in the field by Guiscard, suffered a 10 years' imprisonment, fell ill and died.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Leo III. * Leo X.
Lenore
Lenormant, François
Lens
Lent
Lenthall, William
Leo
Leo
Leo
Leo I.
Leo III.
Leo IX.
Leo X.
Leo XIII.
Leon
Leonardo da Vinci
Leonidas
Leonids
Leopardi, Giacomo
Leopold I.
Leopold II.
Lepsius, Karl Richard