A look at the Guillemot family's attempts to retain control of Ubisoft, which has hit setbacks that led to a stock plunge and made the company a takeover target (Benoit Berthelot/Bloomberg)

Benoit Berthelot / Bloomberg:
A look at the Guillemot family's attempts to retain control of Ubisoft, which has hit setbacks that led to a stock plunge and made the company a takeover target  —  Every second Monday of the month for over three decades, the five Guillemot brothers — whose company gave the world …