All there is to know about Unforgotten star Sinéad Keenan's family including famous siblings

• Unforgotten fans were delighted when a new series landed on ITV last month. Although Nicola Walker's absence was felt in the new episodes, the addition of actress Sinéad Keenan as the new lead has been a welcome antidote for viewers. Check out the video below to see the new detective in action… WATCH: Unforgotten has a brand new detective But how much do you know about the Irish actress? Keep reading to find out more about her family including her famous siblings, one of whom also stars in Unfor