 The young Blatter lived in his uncle's home, a castle overlooking Rebstein and located in the Rhine valley just before the river's union with Lake Constance (Bodensee).After finishing elementary education in Rebstein, Blatter attended middle school in Sarnen, the capital of the Canton of Obwalden, in Central Switzerland.His classmates at Sarnen remembered him as not only brilliant in every subject, but also a high-spirited companion with a reputation for pranks.