22 Jun Harry Styles' stepfather Robin Twist has died aged 57 following a battle with cancer. Robin married Harry's mum Anne Cox in and has. 22 Jun Harry Styles is in mourning after his stepfather Robin Twist passed away this week. Twist, who was married to Styles' mother Anne Twist, lost. 21 Jun Robin Twist, the stepfather of famous pop singer Harry Styles, has died. In a report made by TMZ, it is said that Twist died on Tuesday, June.