The mother of Andy's two oldest kids is called Faye Johnstone. I used to have a mutual with her, years ago. She had the kids full time at point and then all of a sudden, they were with Andy and Billie, and going to school in Essex. Apparently the children think a lot of Billie and she treats them on a par with her own kids, which is nice. Apparently, Faye is a bit hippy dippy now - I think this may have coincided with her boyfriend dying. My friend isn't close to her these days but apparently she doesn't give off the impression of having any kids at all. Strange! If that's the case, more power to Billie for making the kids feel wanted and special.