Maad a Sinig (variations : Mad a Sinig, 'Maad Sine, Maat Sine, Bour Sine, Bur Sine, etc.) means king of Sine. The ancient Kingdom of Sine now part of Senegal was a pre-colonial Serer kingdom . Their kings were titled Maad or Maad (also spelled Mad or Maat). The royal title Maad is sometimes used interchangeably with their ancient kings and landowners - the Lamanes. Between 1350 and 1969 (the Guelowar period - the last maternal dynasty in Serer country), more than fifty Serer kings have been crowned Maad a Sinig.