‘I was 21 when my mum told me my real dad was a sperm donor’

Jack Shepherd, 31, has now made it his mission to fundraise thousands for charity to help heart conditions (Picture: British Heart Foundation)Jack Shepherd was 21 when his mum dropped a huge bombshell on him: ‘I have to tell you this… he’s not your dad.’Her words turned the young man’s entire life upside down, but after going through a journey of discovery about himself and his family – where Jack found out that his biological dad had died from cardiac arrest