Keno

Gender: Masculine
Origin: Frisian
(KEH-noh)

The name is from a Medieval Frisian diminutive form of Konrad. 

It was borne by two East Frisian princes, Keno I of Brock (1310-1376) and his grandson, Keno II of Brock (1380-1417).

Currently, Keno is the 310th most popular male name in Germany, (2011).