score:0

Accepted answer
dim queryethnicities = _
    from aparentethnicity in edata.ethnicity _
    group join achildethnicity in edata.ethnicity.orderby(function (x) x.sort) on achildethnicity.parentid equals aparentethnicity.ethnicityid into ethnicitylist = group _
    where aparentethnicity.roundid.equals(aroundid) _
    order by aparentethnicity.sort

Related Query

More Query from same tag