. ▁They ▁surv ive ▁in ▁a ▁manuscript ▁in ▁the ▁Esc orial ▁and ▁have ▁been ▁published ▁as ▁Reg las ▁y ▁Div isa ▁de ▁la ▁Or den ▁Mil itar ▁de ▁la ▁Jar ra . ▁Their ▁explanation ▁of ▁the ▁symbol ism ▁of ▁the ▁device ▁is : ▁ ▁Royal ▁order ▁ ▁After ▁Ferdinand ▁took ▁over ▁the ▁Crown ▁of ▁Arag on , ▁the ▁Order ▁of ▁the ▁Jar ▁became ▁in ▁effect ▁the ▁royal ▁order ▁of ▁his ▁kingdom s , ▁including ▁Arag on , ▁Sic ily ▁and ▁after ▁ 1 4 4 3 ▁Nap les . ▁It ▁is ▁unclear ▁if ▁the ▁order ▁was ▁ever ▁formally ▁attached ▁to ▁these ▁real ms ▁in ▁law . ▁It ▁probably ▁remained ▁the ▁personal ▁property ▁of ▁the ▁royal ▁house . ▁It ▁remained ▁v estig ial ▁in ▁comparison ▁to ▁other ▁royal ▁orders , ▁but ▁played ▁a ▁prominent ▁role ▁in ▁court ▁ceremony . ▁The ▁e y ew it ness ▁Ál var ▁García ▁de ▁Santa ▁María ▁records ▁its ▁central ▁place ▁at ▁the ▁coron ation ▁of ▁Ferdinand ▁in ▁Zar ago za ▁in ▁ 1 4 1 4 . ▁ ▁After ▁the ▁sie ge ▁of ▁Bal ag uer ▁( 1 4 1 3 ), ▁Ferdinand ▁I ▁of ▁Arag on ▁hon oured ▁about ▁eight y ▁of ▁the ▁kn ights ▁who ▁had ▁shown ▁greater ▁courage ▁in ▁battle ▁with ▁the ▁shield ▁of ▁the ▁order . ▁ ▁In ▁ 1 4 1 3 , ▁Ferdinand ▁emp ower ed ▁King ▁Sig ism und ▁of ▁Germany ▁to ▁confer ▁membership ▁in ▁the ▁order ▁on ▁Bas ilio ▁Col al ba , ▁mar quis ▁of ▁An con a , ▁who