Question: What is the date of birth of Napoléon Alexandre Berthier, 2Nd Prince Of Wagram's father?
Sentence (from "Napoléon Alexandre Berthier, 2nd Prince of Wagram"): Son of Louis-Alexandre Berthier, 1st Prince of Wagram, and Duchess Maria Elisabeth in Bavaria (and by his mother, grandnephew of King Maximilian I of Bavaria).
Relevant evidence: Yes