Rosalind Margaret Clarissa Hicks (née Christie; 5 August 1919–28 October 2004) was the only child of author Agatha Christie (with her first husband Archibald Christie ), and from the time of Christie's death in 1976 worked to maintain and strengthen the reputation of her mother as a literary figure, and to protect the integrity of her works.
At her death in 2004, Rosalind Hicks was survived by her second husband, and her son Mathew Prichard. At the time of her death it was reported that her estate was valued at 6 million pounds sterling, and that Prichard, who also owned the rights to Christie's record breaking play The Mousetrap, was principal heir. He lives in Wales with his second wife. He has 3 children by his first wife who died in 2005.