union of the falcon and the hawk

the union of the falcon and the hawk is the name given to the marriage alliance and period of time of prince Sebastián of Castilian and princesses Catherine of the germic duchy of caltonberg which started a trend of Castilian princes or princesses marring gemnic princes or princesses.
 beginnings- the union began when at the age of 17 prince sebastian and lady Catherine mullerberg  were married 217YBCW. it started a dynastic alliance between the two houses. the influence of germimcs  began when the princes own germnic infantry were created in the princesses honor. there uniforms were in the style of the verianberg army. by the time the two died the sultanate of Castilian had some kind of trading connection with the verianberg empire. 
castlian-germo houses- with the marriage of sebastian and lady Catherine she brought her massive family with her. her brothers, cousins and uncles along with there own fathers came with her. her second brother adolf married the heiress of the country of Somosierra which created the house of von santiera-mullerberg. her other brothers married into ineffectual families in the army and navy.  these marrieges form a large mixed castlian-germinc familes. 
the alliance continued through the ages. the sultanate became heavily influenced by the empire and the two powers exchanged goods and cultures. the princess carla millatry academy was made in honor of one of the princesses from germic who married prince Marcus shortly before the events of the war of the long winter. when The war of the long winter began a small contagion of Castilian volunteers under the prince at the times cousin.
The tradition continued as normal and prince a Carlo is to marry Anna Marie of zentie-betrria a germinc Duchy.