United Kingdom, May 25 -- Gordon Ramsay says the defining lesson he has instilled in his six children is one of the simplest - having good manners.

The sweary TV chef, 59, made the remark while speaking in an interview with Fox News Digital about what he sees as the essential foundation of his children's upbringing amid a period of continued success across his television empire, after Fox recently renewed his programmes including Hell's Kitchen, Kitchen Nightmares, Next Level Chef, Next Level Baker and Gordon Ramsay's Secret Service.

Known globally for his exacting standards on shows such as MasterChef and Hell's Kitchen, Gordon shares six children with his wife Tana Ramsay, 51 - Megan, 28, Holly, 26, Jack, 26, Matilda, 24, Oscar, seven...