use of the clan name and cry defining the honorable status of Polish knights. The names of knightly genealogiae only came to be associated with heraldic devices later in the Middle Ages and in the early modern period. The Polish clan name and cry ritualized the ius militare, i.e., the power to command an army; and they had been used sometime before 1244 to define knightly status. . "In Poland, the Radwanice were noted relatively early (1274) as the descendants of Radwan, a knight [more properly a "rycerz" from the German "ritter"] active a few decades earlier. ..." Escutcheons and hereditary coats of arms with eminent privileges attached is an honor derived from the ancient Germans. Where Germans did not inhabit, and where German customs were unknown, no such thing existed. The usage of coats of arms in Poland was brought in by knights arriving from Silesia, Lusatia, Meissen, and Bohemia. Migrations from here were the most frequent, and the time period was the thirteenth and fourteenth centuries. However, unlike other European chivalry, coats of arms were associated with Polish knights' clans' (genealogiae) names and war cries (godło), where heraldic devices came to be held in common by entire clans, fighting in regiments. . Around the 14th century, there was little difference between knights and the szlachta in Poland. Members of the szlachta had the personal obligation to defend the country (pospolite ruszenie), thereby becoming within the kingdom a military caste and aristocracy with political power and extensive rights secured. Inclusion in the warrior caste was almost exclusively based on inheritance. Concerning the early Polish tribes, geography contributed to long-standing traditions. The Polish tribes were internalized and organized around a unifying religious cult, governed by the wiec, an assembly of free tribesmen. Later, when safety required power to be consolidated, an elected prince was chosen to govern. The election privilege was usually limited to elites. The tribes were ruled by clans (ród) consisting of people related by blood or marriage and theoretically descending from a common ancestor, giving the ród/clan a highly developed sense of solidarity. (See gens.) The starosta (or starszyna) had judicial and military power over the ród/clan, although this power was often exercised with an assembly of elders. Strongholds called grόd were built where the religious cult was powerful, where trials were conducted, and where clans gathered in the face of danger. The opole was the territory