Images of Katharina in December 1997:
 
 

Sarah's 4th birthday, December 1, 1997:

Brigitte (Oma) with Katharina and Sarah                       Julia

Official Ballettshow, December 21, 1997:
(Sarah, 3rd from the left)

(Katharina, 2nd from right)

            Monika                    Fred (Opa) with Sarah