The Office of Fair Trading (OFT) said it had asked the Competition Commission to look at the deal amid concerns over the effect on competition in the family tree research sector.
ITV's £25m sale of the social networking site Friends Reunited to DC Thomson - publishers of The Broons, Oor Wullie and The Beano - has been referred to the competition watchdog for further investigation.
The Office of Fair Trading (OFT) said it had asked the Competition Commission to look at the deal amid concerns over the effect on competition in the family tree research sector.