He is married to Nn Nn.
They got married
Child(ren):
VRATISLAV (888-killed in battle 13 Feb 921). The Chronica Boemorum names "Spitigneum et Wratizlaum" as sons of "Borivoy", specifying that the latter succeeded on the death of his older brother[16]. "Wratizlav" is named as younger brother of "Zpuytignev" in the Vita Vencezslavi[17]. He succeeded his brother in 915 as VRATISLAV I Duke of the Bohemians. The Gesta Hungarorum records that, after settling in Pannonia, the Magyars (although the text does not give them this name) raided Moravia and Bohemia and killed "Waratizlao" in battle[18]. m ([906]) DRAHOMIRA, daughter of --- from Stodor (-after 935). The Chronica Boemorum names "Dragomir de durissima gente Luticensi…ex provincial nomine Stodor" as wife of "Wratizlav"[19]. Regent for her son. She was sent into exile[20].
Duke Vratislav & his wife had two children:
WENZEL ([907]-murdered Altbunzlau 28 Sep 935[21], bur 4 Mar ---- Prague St Veit).
BOLESLAV (-15 Jul [967])
Bronnen:
[16] Cosmæ Pragensis Chronica Boemorum I.15, MGH SS IX, pp. 44-5.
[17] Gumpoldi Vita Vencezlavi ducis Bohemiæ 2 and 3, MGH SS IV, p. 214.
[18] Kézai, S., Veszprémy, L. and Schaer, F. (eds. and trans.) (1999) Simonis de Kéza Gesta Hungarorum (CEP), 34, p. 87.
[19] Cosmæ Pragensis Chronica Boemorum I.15, MGH SS IX, p. 45.
https://fmg.ac/Projects/MedLands/BOHEMIA.htm#_ftnref16