Both came face to face with evil as children, lost loved ones and now want to ensure the truth is never forgotten.
Steven Frank, 84, was among only a handful of children to make it out alive from the last of the many concentration camps he was sent to.
By then his father had been gassed to death for speaking out against the Nazis.
Steven Frank, 84, with his two granddaughters Maggie, 15, and Trixie 13, was photographed holding a pan his mother used as a boy
Mr Frank was among only a handful of children (pictured centre) to make it out alive from the last of the concentration camps he was sent to. By then his father (right) had been gassed to death for speaking out against the Nazis
Yvonne Bernstein, 82, was hidden as a child in France throughout most of the Second World War and her uncle was seized and murdered for shielding her.
To mark the 75th anniversary of the liberation of Auschwitz, Mr Frank and Mrs Bernstein, who both settled in Britain after the war, have been photographed by the Duchess of Cambridge in moving family portraits for a new exhibition.
Kate, who is patron of the Royal Photographic Society, said 'despite unbelievable trauma at the start of their lives' they were 'two of the most life-affirming people that I have had the privilege to meet'.
Memories: Yvonne Bernstein, 82, pictured alongside her 11-year-old granddaughter Chloe, also survived the Nazi Holocaust
Mrs Bernstein was hidden as a child (pictured) in France throughout most of the Second World War and her uncle was seized and murdered for shielding her
She added: 'They look back on their experiences with sadness but also with gratitude that they were some of the lucky few to make it through.
Their stories will stay with me forever.'
The photographs are reminiscent of the works of Johannes Vermeer, whose 17th century Dutch paintings Kate enjoyed during a trip to The Hague in 2016.
The Duchess of Cambridge (pictured), who is a patron of the Royal Photographic Society, took the photographs which were released to mark Holocaust Memorial Day and will be part of an exhibition later this year
They were released to mark Holocaust Memorial Day today and will be part of an exhibition later this year.
German-born Mrs Bernstein was separated from her parents throughout the war and arrived in Britain in June 1945.
Mr Frank, who came from Amsterdam, survived near starvation at Theresienstadt in Nazi-occupied Czechoslovakia.
He has kept his mother's pan from their days in the concentration camps.
The world's eyes are on Auschwitz … but the UK Government will not send a single minister to the memorial event
By Robert Hardman for The Daily Mail
Presidents and monarchs are gathering at Auschwitz today but the British Government seems unable to send a single minister.
The presidents of Germany and Israel will be among the heads of state and government leaders.
The United Kingdom will be represented by the Duchess of Cornwall while the Duke and Duchess of Cambridge are set to attend memorial events in London.
There was surprise among members of Britain's Jewish community last night, however, when it emerged that there would