Princess Diana Sister Lady Sarah Mccorquodale Supports Prince William Military Ceremony 8711448

Princess diana 's sister lady sarah mccorquodale recently supported prince william at the royal air force (raf) college in cranwell, lincolnshire, on thursday, september 12. Lady sarah mccorquodale, the sister of the late diana, princess of wales, joined prince william, at royal air force college cranwell on thursday, september 12.