Lady Louise Windsor’s role within the Royal Family will change when Prince William takes the throne, a royal commentator has claimed. The 20-year-old has never been expected to take on royal duties, however, in light of recent events, William may “turn to” his cousin when he becomes king. Lady Louise, the daughter of Prince Edward and Sophie, is not currently a working royal, as she is studying at the University of St Andrews, where she is reading English and “carving out her own career”. She has kept a relatively low profile in Scotland, but in recent years has stepped out at high profile occ…