Football hunk's sibling tells Portuguese magazine that little Cristiano's mother has passed away

‘s sister has claimed the mother of his baby is dead.

Real Madrid hunk Cristiano announced the arrival of his lovechild in July via Facebook, insisting the mother wanted her identity to remain confidential and the boy to be under his ‘exclusive guardianship.’

‘There is no woman calling him,’ says sister Katia Aveiro, 33.

‘There is no mother, no telephone calls, nothing.

‘His mother died. The baby doesn’t have a mother.’

The woman who gave birth to Cristiano Jnr has never been identified – some reports claim she is a UK student who gave up parental rights, others that she is a US surrogate.

Whatever the truth, Katia says their mum Dolores, 55, is raising the child as her own.

‘The boy is ours,’ she tells a Portuguese magazine.

‘I’m not going to say how he arrived with us.

‘But I guarantee he’s my brother’s son, my nephew, from our blood.

‘His mother is my mother, who is the person who is with him 24 hours a day.’

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Esme Riley