The Emperor rewarded him with a marriage , which raised his social status , to Maria of Bosnia .
The next significant Helfenstein count was Ulrich V , who as a member of Emperor Charles IV 's household in 14th century Prague served the Emperor in many ways .
The Charles IV rewarded Helfenstein with a marriage , which raised Helfenstein 's social status , to Maria of Bosnia .
The next significant Helfenstein count was Ulrich V , who as a member of Emperor Charles IV 's household in 14th century Prague served the Emperor in many ways .