The founder of the dynasty was a Guntram the Rich (c. 930-990), whose lands were located in northern Switzerland and Alsace. His eldest son Lantselin (d. 991) was Count of Altenburg in Aargau, and the younger Radbot (ca. 985-1035) built near the river Aare castle of Habsburg, on behalf of whom he and his descendants got its name. In one version of the original castle was called Gabihtsburg, which meant "Hawk's Castle". On another - the name comes from staronemetskogo «hab» - ford (fortress guarding the crossing of the Aare). Descendants Radbota attached to his possessions a number of possessions in Alsace (Zundgau) and most of northern Switzerland, becoming the middle of the XIII century one of the largest feudal families south-western edge of Germany. The first kind of hereditary title was the title of Count of Habsburg.
Counts of Habsburg
Radbot (d. 1035);
Werner I (died 1096), Otto I (d. 1055) and Albrecht I (d. 1050) - Children Radbota;
Otto II (d. 1111) and Albrecht II (d. 1140) - Children Werner I;
Werner II (d. 1167) - son of Otto II;
Rich Albert III (d. 1199, Landgrave of Upper Alsace) - son of Werner II;
Rudolf II (d. 1232) - son of Albert III;
Albrecht IV (d. 1240) and Rudolf III (d. 1249) - Children of Rudolf II.
Albert IV and Rudolf III shared ancestral possessions: the first went to the western part, including the Aargau and Zundgau, and the second land in eastern Switzerland. The main line is considered descendants of Albert IV, and the heirs of Rudolf III were called Counts of Habsburg-Laufenburg. Representatives Laufenburgskoy line did not play a significant role in Germany's politics and remained like many other German regional feudal aristocratic families home. As part of their holdings included the eastern part of Aargau, Thurgau, Klettgau, Kyburg and several counties in Burgundy. This line is cut short in 1460