Battle of Lipitsa
In the battle , fought on April 22 , 1216 , the forces of Mstislav the Daring and Konstantin Vsevolodovich defeated those of Konstantin's younger brothers Yuri Vsevolodovich and Yaroslav . 
<triplet> Konstantin Vsevolodovich <subj> Yuri Vsevolodovich <obj> sibling <subj> Yaroslav <obj> sibling <triplet> Yuri Vsevolodovich <subj> Konstantin Vsevolodovich <obj> sibling <subj> Yaroslav <obj> sibling <triplet> Yaroslav <subj> Konstantin Vsevolodovich <obj> sibling <subj> Yuri Vsevolodovich <obj> sibling