 He was married to songwriter Pebe Sebert, with whom he wrote "Old Flames Can't Hold a Candle to You", in 1977, but the couple separated in 1984.They have one son, Lagan Blue Sebert, a video and documentary film producer living in New York City.Sebert is also the mother of pop star Kesha and for this reason Moffatt is sometimes assumed to be the father of Kesha, but he is not.