Three year old Ryan from East Kilbride, was diagnosed with Acute Myeloid Leukaemia (AML) and desperately needed to find a matching bone marrow donor for a stem cell transplant to save his life.
Sorrel is five years old and lives in Suffolk with her parents, Samantha and Robert, and her younger sister, Daisy. Her father runs a gardening centre.
Olly was diagnosed with acute lymphoblastic leukaemia in September 2005.