Graela and Dieter Tannenberg, daughter of the First Secretary of the German Embassy and Frau Tannenberg, who will take part in the International Children's Christmas Broadcast which will go over the air from the Shoreham Hotel on December 20. This function is one of the feature broadcasts of the year that goes out of the United States to all the countries of the world. It is arranged by the Greater National Committee in cooperation with the National Broadcasting Company.