The Duchess of Edinburgh is playing a crucial role in helping Prince Edward step up ahead of an important milestone. Prince Edward’s wife, Sophie, has been showing her support as the prince continues to represent the Royal Family at events across the country. The Duke of Edinburgh will lead the Royal Family in celebrating Anzac Day in London on Thursday. The event marks the anniversary of the start of the First World War Gallipoli landings and is a national day of remembrance for Australia and New Zealand. Ingrid Seward, royal editor, said that Edward’s “marriage and fatherhood have matured” t…