Of course, based on that clip, she also could have been his daughter in-law, instead of his daughter. With the mention of grand-kids, she obviously is married, and I know plenty of married women who call their father in-law 'Dad'.
David
I specifically held off getting KOTCS when I started purchasing Blu-Rays last year because by then, the rumors of an IJ set had started.
I did post in one of the other threads that I hoped there would be different configurations - a three film set, a four film set, and also separate releases...