Mieszko Mieszkowic 10th-century House of Piast Polish prince (b. 0978) Parents Oda of Haldensleben Mieszko I Children Dytryk Siblings Gunhild of Wenden Świętopełk Mieszkowic Sigrid the Haughty Lambert Mieszkowic Bolesław I the Brave Świętosława Vladivoj, Duke of Bohemia