Battle of Kressenbrunn
Meanwhile , Margaret's niece Gertrude had married Roman Danylovich , son of King Daniel of Galicia and relative of the Árpád dynasty . 
<triplet> Gertrude <subj> Roman Danylovich <obj> spouse <triplet> Roman Danylovich <subj> Gertrude <obj> spouse <subj> Daniel of Galicia <obj> father <triplet> Daniel of Galicia <subj> Roman Danylovich <obj> child