Question: DNA from Alexandre Colonna-Walewski's descendants has been used to confirm what attribute of Napoleon's?
Sentence: He may have had further unacknowledged illegitimate offspring as well, such as Eugen Megerle von Mühlfeld by Emilie Victoria Kraus and Hélène Napoleone Bonaparte (1816–1907) by Albine de Montholon.
Answer in sentence: no