Abandoned baby Elsa is third newborn deserted by same parents.
A newborn baby found earlier this year in Newham, east London, is the third child abandoned by the same parents, the BBC can report.
Judge Carol Atkinson said the story was of "great public interest" as babies are very rarely abandoned in modern Britain.
The older children have been adopted and Baby Elsa remains in foster care.
Family Court documents stated Baby Elsa still had her umbilical cord, and doctors estimate she had been born only an hour before.
MET Police Baby Roman in 2019 - she was found abandoned in a shopping bag in a park in near-freezing overnight temperatures.
PA Media Baby Elsa was found at the junction of Greenway and High Street South in Newham, east London in January. »