break ▁they ▁reached ▁Lord ▁Se y ton ' s ▁castle ▁in ▁West ▁L oth ian , ▁which ▁was ▁strongly ▁g arrison ed . ▁The ▁next ▁morning , ▁as ▁the ▁queen ▁was ▁endeav our ing ▁to ▁make ▁peace ▁between ▁Roland ▁and ▁Henry ▁Se y ton , ▁who ▁treated ▁the ▁page ▁as ▁a ▁ch url , ▁his ▁grand m other ▁emer ged ▁from ▁a ▁re cess ▁and ▁declared ▁him ▁to ▁be ▁the ▁son ▁of ▁Julian ▁Aven el , ▁who ▁was ▁killed ▁in ▁the ▁battle ▁with ▁Sir ▁John ▁F oster ; ▁Lord ▁Se y ton ▁also ▁recogn ised ▁him , ▁and ▁ins isted ▁that ▁his ▁son ▁should ▁sh ake ▁hands ▁with ▁him . ▁ ▁Support ed ▁by ▁a ▁considerable ▁number ▁of ▁ad her ents ▁in ▁battle ▁array , ▁and ▁accompanied ▁by ▁the ▁ab bot , ▁the ▁royal ▁party ▁moved ▁on wards ▁for ▁D umb art on , ▁where ▁help ▁from ▁France ▁was ▁expected . ▁They ▁were , ▁however , ▁intercept ed ▁by ▁the ▁reg ent ' s ▁forces , ▁and ▁a ▁des perate ▁battle ▁en su ed . ▁The ▁queen ▁stood ▁near ▁a ▁y ew ▁tree , ▁guard ed ▁by ▁her ▁devoted ▁adm ir er ▁George ▁Douglas ▁in ▁close ▁arm our , ▁while ▁her ▁page ▁pushed ▁forward ▁to ▁watch ▁the ▁conflict . ▁It ▁had ▁last ed ▁nearly ▁an ▁hour , ▁when ▁Sir ▁Hal bert ▁attacked ▁the ▁fl ank ▁of ▁Mary ' s ▁supp or ters , ▁and ▁they ▁were ▁completely ▁rout ed , ▁Henry ▁Se y ton ▁was ▁killed , ▁and ▁Douglas , ▁who ▁was ▁mort