Princess Mary has given birth to a boy and a girl at a Copenhagen hospital reported AAP(8/1).
The births, on Saturday morning, Danishl time (about 9.30pm AEDT) at Rigshospitalet, had been much anticipated with two false alarms this week.
Crown Prince Frederik told the gathered press at the hospital that following about four hours of labour, the boy cane first, followed half an hour later by the girl.
Crown Prince Frederik and Tasmanian-born Princess Mary already have two children, Prince Christian, five, and Princess Isabella, three.
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