As the Prince became King in 1910, succeeding his father, his titles merged in the crown.
After Philip became King of Spain in 1556, the title simply merged back to the many held by the Spanish king.
If the legal and equitable title merge in the same person, the trust is considered nonexistent under the so-called merger doctrine.
When James succeeded his elder brother to the throne in 1685, the titles again merged into the crown.
By 1974 these titles had merged into Superman Family, although the series was canceled in 1982.
The title merged with the crown in 1625, and there it has remained.
As time passed, these titles and meanings may have merged.
Per Orleanist reckoning, the title has merged with the crown.
It transferred to Look and Learn in issue 232, June 1966 when the two titles merged, and ran there until the title ceased publication.
Upon the heir's accession to the throne, the lands and title merged in the Crown.