Dewar's® 15 Year Old Blended Scotch Whisky Was Created By The Eponymous Dewar Family. It Is Famous For Its ‘double-aged’ Blend, With Six Months Of Marrying In Oak Casks After Initial Maturation And Blending. This Scotch Whisky's Unique Taste And Experience Is One Of The World’s Most Popular And Awarded Whiskies.