Tileagd in Crişana, and at Gârbova, Saschiz, and Sebeş in Transylvania is attested by royal charters. Székely groups from Gârbova, Saschiz, and Sebeş were moved around 1150 into the easternmost regions of Transylvania, when the monarchs granted these territories to new settlers arriving from Western Europe. The Székelys were organized into "seats" instead of counties, and a royal officer, the "Count of the Székelys" became the head of their community from the 1220s. The Székelys provided military services to the monarchs and remained exempt of royal taxes. A great number of Flemish, German, and Walloon "guest settlers" arrived in Transylvania around 1150. Wheel-made fine vessels with analogies in Thuringia found at Şelimbăr demonstrate the advanced technology they introduced to their new home. An account of royal revenues from the 1190s shows that almost one-tenth of all royal income derived from taxes they paid. In 1224, King Andrew II granted collective privileges to those inhabiting the region between Orăștie and Baraolt. The Diploma Andreanum confirmed the custom of freely electing their priests and local leaders; only the right to appoint the head of their community, the "Count of Sibiu", was preserved for the monarchs. The Transylvanian Saxonsas they were collectively mentioned from the early 13th century—also received the right to "use the forests of the Romanians and the Pechenegs" along with these peoples. The earliest royal charter referring to Romanians in Transylvania is connected to the foundation of the Cistercian abbey at Cârța around 1202, which was granted land, up to that time possessed by Romanians. Another royal charter reveals that Romanians fought for Bulgaria along with Saxons, Székelys and Pechenegs under the leadership of the Count of Sibiu in 1210. The Orthodox Romanians remained exempt from the tithe payable by all Catholic peasants to the Church. Furthermore, they only paid a special in kind tax, the "fiftieth" on their herds. Organized settling continued with the arrival of the Teutonic Knights in Ţara Bârsei in 1211. They were granted the right to freely pass through "the land of the Székelys and the land of the Vlachs" in 1222. The knights tried to free themselves from the monarch's authority, thus King Andrew II expelled them from the region in 1225. Thereafter, the king appointed his heir, Béla, with the title of duke, to administer Transylvania. Duke Béla occupied Oltenia and set up a new province, the Banate of Severin, in the 1230s.