private void detach_GPCHolders(GPCHolder entity)
		{
			this.SendPropertyChanging();
			entity.Person = null;
		}
		private void attach_GPCHolders(GPCHolder entity)
		{
			this.SendPropertyChanging();
			entity.Person = this;
		}
 partial void UpdateGPCHolder(GPCHolder instance);
 partial void DeleteGPCHolder(GPCHolder instance);
 partial void InsertGPCHolder(GPCHolder instance);