Through his mother, Princess Theodora of Greece and Denmark, the second sister of Prince Philip, Duke of Edinburgh, he was a first cousin of Charles III, King of the United Kingdom.

He was the second child and eldest son of Berthold, Margrave of Baden, and his wife, Princess Theodora of Greece and Denmark.

He had one older sister, Princess Margarita, and has a younger brother, Prince Ludwig (born 1937).

[2][3] The Margrave and Margravine had four children: The Margravine represented the Margrave for the state funeral of Queen Elizabeth II, his aunt, at Westminster Abbey in London on 19 September 2022, with Prince Bernhard and his wife, Princess Stephanie.

[5] The Margrave's funeral service on 13 January 2023 in the church of Salem Abbey was attended by numerous representatives from politics, including the minister president of Baden-Württemberg, Winfried Kretschmann, and royalty and aristocracy, such as King Philippe of Belgium, Prince Albert II of Monaco and his sister Caroline, Princess of Hanover, Prince Hassan of Jordan and the Hereditary Princess of Liechtenstein as well as the heads or representatives of most of the former ruling houses of Germany.