Allschwil in Switzerland since April 13, 1984 Saint-Jean-de-Braye in France since May 1, 1987 Notable Pfullendorfers Roderich Kiesewetter, politician Daniel Schuhmacher, DSDS winner for Season 6. Sinan Gümüş, Galatasaray, professional football player. References External links Official website Sigmaringen (district) Free imperial cities Baden