The Biggest Frog looked at him very sternly. "No," said he, "I was not. Each wanted me as her son, but I never knew to which I belonged. I never knew! Still," he added, "it does not so much matter who a Frog's mother is, if the Frog is truly great." Then he filled the sacs on each side of his neck with air, and croaked loudly. His sister afterward told the Tadpoles that he was thinking of one of the forest people, the Ground Hog, who was very proud because he could remember his grandfather.