Jon Holmes, Paddy Barclay and Colin Shindler explore the impact of nature and nurture on footballers from the same family.  Is it genetic inheritance or environmental factors that accounts for the remarkable number of fraternal and father-son relationships in football over the decades?  From the famous Charltons to the Schmeichels, from the forgotten Rowley brothers to the Redknapps, the Cloughs and the Summerbees the numerous examples of this fascinating phenomenon sends the conversation far and wide.   Learn more about your ad choices. Visit podcastchoices.com/adchoices