Archduke Leopold Maria of Austria, Prince of Tuscany was the second son of Archduke Leopold Salvator, Prince of Tuscany and Infanta Blanca of Spain. At the fall of Habsburg monarchy he remained in Austria and recognized the new republic in order to marry Dagmar, Baroness von Nicolics-Podrinska. The couple had one daughter. After divorcing his wife in 1931, Leopold eventually emigrated to the United States where he became a naturalized American citizen under the name Leopold Lorraine, and where he remarried. He died in 1958 in Connecticut.

Archduke Leopold Salvator, Prince of Tuscany, was the son of Archduke Karl Salvator of Austria and Princess Maria Immaculata of Bourbon-Two Sicilies.