Constance Marten and Mark Gordon appear at the Old Bailey accused of killing their baby

An aristocrat and her boyfriend who went on the run for two months with their baby daughter before allegedly killing the little girl have appeared in court. Constance Marten, 35, and Mark Gordon, 48, were arrested after baby Victoria was found in a plastic bag in a shed under a heap of nappies on a Brighton allotment. Marten and Gordon appeared at the Old Bailey today charged with the manslaughter of Victoria, concealment of the birth of a child and…