Trevor has one brother, Casey Embry.
Maternal grandparents are Ricky and Denise Cauley of Russellville. Paternal grandparents are Lois and Dean Latham and Dennis and Brenda Bromm of Russellville. Maternal great-grandparents are Sue Kemp and Dale and June Cauley and maternal great-great-grandmother is Ella Ruth Cauley. Paternal great-grandmother is Juanita Carneal.