Borivoj married Ludmilla de Psow Abt 875. Ludmilla (daughter of Slavibor de Mielnik) was born Abt 855, Mielnik, Bohemia; died 15 Sep 921, Tetin Castle, Podébrady, Bohemia. [Group Sheet]
Vratislav married Drogomira de Stodor Abt 900. Drogomira (daughter of Fürst des Heveller) was born Abt 880; died Aft 935. [Group Sheet]
Boleslav married Ælgifu of Wessex Abt 935. Ælgifu (daughter of Edward I King of Wessex and Ælfflæda of Wessex) was born Abt 915. [Group Sheet]
Boleslav married Emma von Sachsen Abt 985. Emma was born Abt 965; died 1001. [Group Sheet]
Dobrava married Mieczyslas Piast de Pologne 965. Mieczyslas (son of Ziemomysl de Pologne) was born 922; died 25 May 992, Posen (Poznan), Poland (Pologne). [Group Sheet]