public class Royalty extends Person
{
	// Construct person named s of maleness m.  
	 public Royalty(String s, boolean m) 
	 {
		super( s, m );
	 }

	 // create a child of mom and dad with name s and maleness m.
	public static void child(Person mom, Person dad, String s, boolean m)
	{
		Royalty child = new Royalty(s, m);
		child.mom = mom;
		child.dad = dad;
		child.sibling = mom.kid;
		dad.kid = child;
		mom.kid = child;
	}


	public String  print_name()   
	{ 
		String title;
		if ( male )
			title = ( dad != null ? "Prince " : "King " );
		else
			title = ( dad != null ? "Princess " : "Queen " );
		return title + name; 
	}
}