At 10 months old, Jacob Davis gave his big sister the ultimate gift - life. The baby boy donated his bone marrow to help save the life of his dying sibling Seren-Rose. The two-year-old was born with an extremely rare life-limiting disease, mucopolysaccharidosis (MPS), which delayed her development and caused her to slowly deteriorate. Her parents Elouise and Simon Davis from Colchester in Essex were told the only hope to save their daughter was a bone marrow transplant. Ten-month-old Jacob Davis, left, donated his bone marrow to help save the life of his dying big sister Seren-Rose, right Two-year-old Seren-Rose was diagnosed with mucopolysaccharidosis, which delayed her development and caused her to slowly deteriorate
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Jacob Davis donated his bone marrow to save his big sister Seren-Rose
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The two-year-old was diagnosed with mucopolysaccharidosis (MPS), which delayed her development and caused her to slowly deteriorate
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Her parents Elouise and Simon were told her only hope was a transplant
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At eight months old, baby Jacob was found to be the perfect match
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After a successful operation the siblings are back at home recovering
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The transplant cannot reverse the damage already caused by the disease but will stop it from progressing
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Mrs Davis said: 'He is going to grow up feeling very proud of himself and I am never going to let him forget it'
'A sibling donor would give @placeholder the very best chance of a successful transplant.