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Markvart was perhaps brother or cousin to Leva z Jankova of castle Chřenovice , Jan z Kamenice father of Cardinal Jan Očko z Vlašime and Vikarta von Polná who married Eliska , daughter of King Ottokar II of Bohemia .
 z, Jan z, Jan Očko z Vlašime, Ottokar II of Bohemia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 z, Jan z, Jan Očko z Vlašime, Ottokar II of Bohemia