Iszyaslav Vladimirovich & wife 
Iszyaslav and <Unknown> were married in 0998 in Kiev, Ukraine.1 They had two sons named Vseslav and Bryachislav.
<Unknown>-
Children
Duke Bryachislav Izyaslavich of Polotsk I
Bryachislav was born in 1000 in Polotsk, Byelorussia.1 He died at the age of 44 in 1044.1
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I33769&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I22444
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I6864
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I22444
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I6864