It's a boy for the Emir of Dubai and Princess Haya of Jordan

HRH Princess Haya bint Hussein of Jordan, junior wife of HH the Emir of Dubai, Sheikh Mohammed bin Rashid Al Maktoum, gave birth to her second child. HH Sheikh Zayed bin Mohammed of Dubai was born on 7 January 2012. Depending on the time in Dubai at that moment.

The couple are also parents to HH Sheikha Al Jalila and Sheikh Mohammed has more children with his other (former) wives and partners.

Source: HH Sheikha Manal bint Mohammed Al Maktoum of Dubai, daughter of the Emir and thus older half sister of the newborn Sheikh, on Twitter.