The Latest Breaking News from Mark Gordon

Tatler It-girl Constance Marten was born into one of England’s most prominent aristocratic families — now, she and her convicted rapist boyfriend have been convicted of the manslaughter of their infant child

"We are growing increasingly concerned not only for their welfare, but for the welfare of their newborn child."

Constance Marten, 35, and her partner Mark Gordon, 48, disappeared after the car they were travelling in broke down on the M61 near Bolton on January 5

The couple were initially travelling in a vehicle that broken down in the Bolton area and were last seen in London

The couple were initially travelling in a vehicle that broken down in the Bolton area and were last seen in London.

The couple and their baby appear to be moving across the country after walking off a motorway on January 5

Constance Marten and Mark Gordon have been missing for more than a week

"We do not wish to impose ourselves for any reason other than to make sure the newborn baby is alive and well."

It has emerged that Constance is from an aristocratic family