For his work on doing so, he was awarded the rank of Commander in the Order of the Oak Crown.

And treason to the Oak Crown of the High King.

It happened to be the Oak Crown of Brennin.

In 1877, Émile was awarded the Order of the Oak Crown.

In that same year 1874 Grégoir was invested by the Dutch king with the Order of the Oak Crown.

Grand Officer of the Order of the Oak Crown (Luxembourg)

To Ailell he might possibly have deferred, but not to the son, scarce one year out of exile to wear the Oak Crown.

Order of the Oak Crown (Commander)

Order of the Oak Crown (Luxembourg)

Hengen was inducted into the Order of the Oak Crown as a Grand Officer on 23 June 1981.