ResidentCityOwn.cs

namespace CascadeDelete.Models
{
    public class ResidentCityOwn
    {
        public int Id { get; set; }

        [Required]
        [StringLength(50)]
        public string Title { get; set; }

        [Required]
        public int ResidentId { get; set; }

        [Required]
        public int CityId { get; set; }

        // navigation props
        public virtual Resident Resident { get; set; }
        public virtual City City { get; set; }
    }
}