Johan Ludvig Heiberg, Danish poet, playwright, literary critic, literary historian son of the political writer Peter Andreas Heiberg (1758–1841), and of the novelist, afterwards the Baroness Gyllembourg-Ehrensvärd, was born in Copenhagen. He promoted Hegelian philosophy and introduced vaudeville to Denmark.

Baroness Thomasine Christine Gyllembourg-Ehrensvärd was a Danish author, born in Copenhagen. Her maiden name was Buntzen.