Oldenburg was a dukedom in the 1800's.    From LearnThat.org. 

A dukedom is a sizable burden, even for a young man reared to bear it.    From Wordnik.com.  [Captives Of The Night]

She was a beautiful girl, from the dukedom of Tuscany.    From Wordnik.com.  [Life in the Grey Nunnery at Montreal] Reference

As Mariana remarks, he bought this dukedom for his son.    From Wordnik.com.  [Lucretia Borgia According to Original Documents and Correspondence of Her Day] Reference

And that is why I do not want a dukedom in your kingdom.    From Wordnik.com.  [The Saracen: The Holy War] Reference

The dukedom was consequently vacant during several years.    From Wordnik.com.  [The Continental Monthly, Vol. 4, No. 1, July, 1863 Devoted to Literature and National Policy] Reference

Chatelherault, dukedom of, claimed by Duke of Abercorn, 165.    From Wordnik.com.  [The Reminiscences of an Irish Land Agent] Reference

There, in the dukedom of Souzdal, George Dolgorouki laid, in.    From Wordnik.com.  [The Story of Russia] Reference

Princess Louise and the Marquis of Lorne, heir of the dukedom of.    From Wordnik.com.  [Great Britain and Her Queen] Reference

In his will, Vladimir gave the dukedom of Souzdal to his son George.    From Wordnik.com.  [The Story of Russia] Reference

The marquessate and dukedom became extinct with the death of the 2nd.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

The dukedom became extinct for want of male heirs, but his daughter.    From Wordnik.com.  [The Portland Peerage Romance] Reference

"But you cannot leave before taking possession of your own dukedom.".    From Wordnik.com.  [The Saracen: The Holy War] Reference

So his people feared he would not leave any son to inherit his dukedom.    From Wordnik.com.  [The Children's Portion] Reference

At the capital of a grand dukedom, except Weimar, it is better to sleep.    From Wordnik.com.  [A Tramp's Wallet stored by an English goldsmith during his wanderings in Germany and France] Reference

The dukedom of Courland will serve him as a stepping stone to the throne.    From Wordnik.com.  [The Continental Monthly, Vol. 4, No. 1, July, 1863 Devoted to Literature and National Policy] Reference

To settle the difficulty, he invaded the dukedom, and annexed it to Moscow.    From Wordnik.com.  [The Story of Russia] Reference

James had gratified his favourite in his absence by raising him to a dukedom.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Usually the duke was glad to leave Novgorod, if he could secure another dukedom.    From Wordnik.com.  [The Story of Russia] Reference

(Maniace), was granted, as a dukedom, to Nelson by Ferdinand IV. of Naples in 1799.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Two of Andrew's brothers returned from exile, and claimed the dukedom, and the city of.    From Wordnik.com.  [The Story of Russia] Reference

His successor was his son (born in 1825) the present Duke, who was elevated to a dukedom in.    From Wordnik.com.  [Some Old Time Beauties After Portraits by the English Masters, with Embellishment and Comment] Reference

The city of Nepi and thirty-six other estates were conferred upon the child as his dukedom.    From Wordnik.com.  [Lucretia Borgia According to Original Documents and Correspondence of Her Day] Reference

It is the first station we come to, and is the capital of the ancient dukedom of Saxon-Altenburg.    From Wordnik.com.  [A Tramp's Wallet stored by an English goldsmith during his wanderings in Germany and France] Reference

Upon my arrival at the seat of the dukedom I was met by a quiet landau of the Grand Ducal stables.    From Wordnik.com.  [The Secrets of the German War Office] Reference

That Sheriff AUGUSTUS GLOSSOP HARRIS deserves a dukedom, and, if he were a German, should have it.    From Wordnik.com.  [Punch, or the London Charivari, Volume 101, July 18, 1891] Reference

In 1870 he succeeded his father in the dukedom, having previously been known as the prince de Broglie.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Francis Egerton succeeded to the dukedom at the age of twelve on the death of his brother, the 2nd duke.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

'I ask you now, in presence of the barons and knights of my dukedom, to swear to support my just claim.'.    From Wordnik.com.  [Stories from English History] Reference

Here is our title of nobility, beloved, and who of us would exchange it for an earldom, or a dukedom or a kingdom?.    From Wordnik.com.  [The Theology of Holiness] Reference

He confesses that his library was dukedom enough for him, and that he had volumes that he prized above his dukedom.    From Wordnik.com.  [Journeys Through Bookland, Vol. 8] Reference

Edward Osborne, the founder of the dukedom of Leeds, was apprentice to William Hewet, a rich cloth-worker on London.    From Wordnik.com.  [How to Get on in the World A Ladder to Practical Success] Reference

English dukedom; but this, according to a vote of the House of Lords, did not entitle him to sit as a British Peer.    From Wordnik.com.  [Memoirs of the Jacobites of 1715 and 1745. Volume I.] Reference

John the eldest, and presumptive heir to the dukedom, had been killed at the battle of Mons, or Malplaquet, in 1709.    From Wordnik.com.  [Memoirs of the Jacobites of 1715 and 1745 Volume III.] Reference

After succeeding to the dukedom he became lord president of the council, and subsequently secretary for the colonies in the.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Rutland, by whom he left three sons and one daughter, of whom George, the second son (1628-1687), succeeded to the dukedom.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Probably there was a dukedom or kingdom of Kraput-Koch which served as a city of refuge for the wandering Assyrian princes.    From Wordnik.com.  [Armenian Literature] Reference

Charles Dudley was probably some pretender to the honours of the Dudley family who once held the dukedom of Northumberland.    From Wordnik.com.  [The Quarterly Review, Volume 162, No. 324, April, 1886] Reference