Paisley, now Lord Bannside, was admitted to the Ulster Hospital on 28 December, for what his family said were "necessary tests".The South Eastern Trust confirmed that the 87-year-old was discharged from the hospital in Dundonald on Wednesday.His son Ian Paisley Jr said: "I am delighted he is back home again and settled."I am very grateful for the wonderful work of the hospital staff."Dr Paisley has suffered a number of health complications prior to his latest two-week stay in hospital.In February 2012, he was admitted to the same hospital after suffering from heart problems.He was treated in the intensive care unit for two weeks before being moved to the coronary care unit when his condition improved. During his spell of ill-health, he spent just over three weeks in hospital.Dr Paisley became NI's First Minister when he was elected into power alongside Sinn Féin's Martin McGuinness in 2007.He stepped down from political life in 2010. Last December, he preached his final sermon after standing down as moderator of the Free Presbyterian Church.After retiring from both church and political life, he said he planned to write his autobiography.