C#

    public abstract class Person
    {
        public int PersonID { get; set; }
        [Required]
        public string PersonCNI { get; set; }
        [Required]
        public string PersonName { get; set; }
        public string PersonSurname { get; set; }
        public int SexID { get; set; }
        [ForeignKey("SexID")]
        public virtual Sex Sex { get; set; }
        public int AdressID { get; set; }
        [ForeignKey("AdressID")]
        public virtual Adress Adress { get; set; }
    }
   //User class
    public class User : Person
    {
        //public User():base() {}
        //public int UserID { get; set; }
        [Required]
        public string UserLogin { get; set; }
        [Required]
        public string UserPassword { get; set; }
        public bool UserAccountState { get; set; }
        public int UserAccessLevel { get; set; }
        public int ProfileID { get; set; }
        [ForeignKey("ProfileID")]
        public virtual Profile Profile { get; set; }
        public ICollection<UserBranch> UserBranches { get; set; }
    }
  //In my DdContext i have this
    public class EFDbContext : DbContext
    {
public DbSet<Person> People { get; set; }
}