▁image ▁of ▁a ▁beautiful ▁neck lace , ▁which ▁is ▁currently ▁displayed ▁in ▁the ▁museum ▁at ▁the ▁site . ▁Her ▁h agi ography ▁was ▁written ▁soon ▁after ▁her ▁death , ▁probably ▁by ▁a ▁nun ▁at ▁the ▁ab bey . ▁ ▁B alth ild ▁is ▁reported ▁to ▁have ▁established ▁the ▁monaster y ▁first ▁under ▁the ▁Rule ▁of ▁Saint ▁Col um ban us , ▁then ▁later ▁adopted ▁the ▁Rule ▁of ▁Saint ▁Bened ict , ▁although ▁recent ▁sch ol ars , ▁including ▁Mo y se ▁and ▁D ier kens , ▁have ▁war ned ▁against ▁assumptions ▁that ▁the ▁Rule ▁was ▁a ▁firm ly ▁ent rench ed ▁system . ▁According ▁to ▁the ▁New ▁Catholic ▁Encyclopedia , ▁the ▁ab bey ▁represented ▁a ▁step ▁in ▁the ▁progress ▁of ▁C elt ic ▁Christian ity ▁into ▁Burg und y , ▁especially ▁in ▁its ▁adm itt ance ▁of ▁mon ks . ▁ ▁In ▁any ▁case , ▁B alth ild ▁ex ert ed ▁control ▁by ▁appoint ing ▁her ▁own ▁choice ▁of ▁abb ess , ▁Bert ila . ▁After ▁the ▁apparent ▁shift ▁to ▁the ▁Bened ict ine ▁Rule ▁from ▁that ▁of ▁Col um ban us , ▁the ▁ab bey ▁was ▁often ▁govern ed ▁by ▁Carol ing ian ▁prin cess es ▁who ▁continued ▁this ▁tradition . ▁ ▁Holy ▁women ▁and ▁royal ty ▁Ch elles ▁was ▁founded ▁during ▁a ▁century ▁in ▁which ▁an ▁un pre ced ented ▁number ▁of ▁women ▁were ▁entering ▁monaster ies . ▁There ▁was ▁a ▁dram atic ▁increase ▁in ▁the ▁number ▁of ▁such ▁institutions ▁providing ▁for ▁these ▁women , ▁particularly ▁in ▁France , ▁Britain ▁and