Question: The owner of the painting The Madonna del Granduca held what title from 1805-1814?
Sentence (from "Ferdinand III, Grand Duke of Tuscany"): Ferdinand III (German: "Ferdinand Josef Johann Baptist"; Italian: "Ferdinando Giuseppe Giovanni Baptista"; English: "Ferdinand Joseph John Baptist"; 6 May 1769 – 18 June 1824) was Grand Duke of Tuscany from 1790 to 1801 and, after a period of disenfranchisement, again from 1814 to 1824.
Relevant evidence: No