No. They can not.
No, Congress does not have the authority to name someone a prince or duke, as these titles are typically associated with hereditary nobility and are not recognized in the United States. The U.S. Constitution prohibits the granting of titles of nobility by the government. However, Congress can bestow honorary titles or recognitions, but these would not carry the same implications as traditional nobility titles.
Prince Philip, Duke of Edinburgh , born Prince Philip of Greece and Denmark
Dummy
Prince Charles, the Prince of Wales and Duke of Cornwall.
Prince Andrew, Duke of York, is Andrew Montbatten-Windsor.
Wales is a principality, not a duchy. Prince Charles is the current Prince of Wales.
The Prince Andrew Albert Christian Edward Windsor, Duke of York
The Father of Charles Prince of Wales is Queen Elizabeth II's Husband Prince Philip, Duke of Edinburgh
Prince Philip, Duke of Edinburgh
He was born Prince Philip of Greece and Denmark.
They use Windsor. It should really be Mountbatten as the duke of Edinburgh's last name is Mountbatten.
Throughout history, Russia has variously used the titles Duke, Grand Duke, Prince, Grand Prince, but the uniquely Russian title was Tsar. Tsar was the "Russified" term for Caesar.