Can we draw the following hypothesis from the context? 

Context:

Johan Niemann (born 26 June 1977) is best known for being the current bass player for Evergrey and co-founding the band Mind's Eye, for membership of Swedish heavy metal band Therion and as a member of the Scandinavian theatrical metal band Evil Masquerade. He is also currently live guitarist for Tiamat. He is a brother of Kristian Niemann.

Hypothesis: Johan Niemann's brother is a musician n
OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say