Overview
The 40-year-old let slip the news during a promo tour for his new film Beginners with Christopher Plummer.
McGregor and wife Eve Mavrakis already have two daughters - Clara Mathilde, 15, and Esther Rose, nine.
They adopted their third daughter Jamiyan, now nine, in April 2006 and nothing about their new daughter's background is currently known.
According to UK newspaper Daily Record, he said during a US interview: 'My wife and four girls - 15, two nine-years-olds and a baby of four months - often come with me if it's a holiday or my locations and their schedules allow.
'Sometimes we uproot them and put them in another school.'
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Ewan McGregor News
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July 18, 2011
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July 12, 2011
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July 8, 2011
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July 5, 2011
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