 Compare with the Swedish, Norwegian, Icelandic and Danish word for child "barn" or the West-Frisian "bern".Cain bairns are children seized by witches and warlocks as tribute for the devil.Examples of the term's use include the phrase "Jock Tamson's Bairns" as an idiomatic expression of egalitarian sentiment and the title of the 19th century Geordie folk song "Come Geordie ha'd the bairn."