May and Marjorie Chavasse celebrated their 100th birthday with a joint birthday party.

Among the guests were four generations of their family.

They included five-year old William and Vivian Hall - the first twins to be born in the family since Marjorie and May.

The chances of identical twins both living beyond the age of 100 are about one in 700 million.

But the Chavasse twins were said to be determined from an early age to reach 100.

Neither sister married but both had distinguished careers.

Marjorie worked for the Dr Barnados charity setting up children's homes.

May became a nurse and cared for wounded soldiers in France during World War I.

She subsequently received a military honour for her work.

Marjorie still lives in her own home in Windsor, Berkshire while May lives in a home for retired nurses in Buckinghamshire.

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