For this Karl-Udo there are 2 different names on Yasni.
In the ranking of the most common first names Karl-Udo is on position 4589.
known early in Germany, for example, by Charlemagne (8th-9th century.); Karl, Old High (Word format); Karal = the man, husband, old German name was but: Male first name (German, Scandinavian) until the 19th Century in Germany popular
Male first name (German): Udo, Old High (became independent short), ot = the possession of wealth, heritage, became independent short form of names beginning with 'Ot-', such as Ottmar; in the Middle Ages popular as a name of German kings, dukes and counts