Prince Philip’s sister Cecilie died after tragic plane ... that also took the lives of six others on board. Known as ‘Cecile’, it was a tragedy that left ripples within the royal family ...

Royal writer and photographer Ian Lloyd said Prince Philip's quick response ... In 1937, his heavily pregnant sister Cecile, her husband and two children were killed in a plane crash.

His sister, Princess Cecile, died in a plane crash in 1937 ... largely due to the creation of The Prince Philip Gordonstoun Foundation. The foundation provides bursarial support to students ...