What is "pithou"

Pithou is a surname, and may refer to:

• François Pithou (1543–1621), French lawyer and author
• Jean Pithou (1524–1602), French lawyer and author
• Nicolas Pithou (1524–1598), French lawyer and author
• Pierre Pithou (also Petrus Pithoeus) (1539 – 1596), French lawyer and scholar

:* These four were brothers