Examples from the Web for offa
So she says in the old heathen way, but Offa does not note it.A King's Comrade|Charles Whistler
His death is attributed to vexation at not being able to obtain the body of Offa for burial in the Abbey.Bell's Cathedrals: The Cathedral Church of Saint Albans|Thomas Perkins
The whole race was swept away; not one was left alive in whose veins there ran the blood of Offa the Terrible.History of the Anglo-Saxons|Thomas Miller
We read of a collection of laws by Offa, King of the Mercians; but they have been long since lost.
In Beowulf too we hear of Offa as a mighty king, "the best of all mankind betwixt the seas."Beowulf|R. W. Chambers