However , when Bernhard died in 1346 without issue , Margaret became the heir of Ravensberg , her elder sister Hedwig having died in 1336 .
Margaret 's father Otto had no sons so at his death in 1328 , the County of Ravensberg went to his brother Bernhard .
When Bernhard died in 1346 without issue , Margaret became the heir of County of Ravensberg , Margaret 's elder sister Hedwig having died in 1336 .
Margaret 's father Otto had no sons so at his death in 1328 , the County of Ravensberg went to his brother Bernhard .