Singing sisters the Nolans are from an Irish family of eight children, however it recently emerged that they have a long-lost half-sister who Linda and Maureen appealed to find on Ray D’Arcy’s radio show recently.Their father had an affair, and the woman welcomed a bay girl who was believed to have been born around 1952 and would therefore be the same age as Denise, who’s 68.Their mission to find their sister was explored on their TV show At Home with the Nolans, and Maureen put her DNA into a