▁was ▁the ▁young est ▁of ▁Sir ▁John ▁Sh el ton ' s ▁daughters . ▁She ▁was ▁an ▁att endant ▁of ▁her ▁cousin , ▁Queen ▁Anne ▁B ole yn , ▁and ▁was ▁present ▁when ▁she ▁made ▁her ▁first ▁appearance ▁as ▁queen ▁on ▁E aster ▁E ve , ▁ 1 2 ▁April ▁ 1 5 3 3 . ▁ ▁King ' s ▁mist ress ▁One ▁of ▁the ▁Sh el ton ▁sister s ▁is ▁believed ▁to ▁have ▁been ▁King ▁Henry ' s ▁mist ress ▁for ▁a ▁six - month ▁period ▁beginning ▁in ▁February ▁ 1 5 3 5 , ▁according ▁to ▁statements ▁about ▁mist ress es ▁made ▁by ▁the ▁Imperial ▁amb assador , ▁E ust ace ▁Chap u ys , ▁who ▁referred ▁to ▁M ist ress ▁Sh el ton . ▁▁ ▁According ▁to ▁bi ograph er ▁Anton ia ▁F ras er , ▁this ▁was ▁Margaret ▁Sh el ton . ▁Chap u ys ▁was ▁always ▁at ▁court ▁when ▁in ▁England , ▁more ▁frequently ▁so ▁than ▁most ▁contempor aneous ▁writers . ▁Hugh ▁Lat imer ▁identified ▁Mad ge ▁Sh el ton ▁as ▁the ▁woman ▁att endant ▁on ▁Anne ▁when ▁she ▁mis car ried ▁within ▁hours ▁of ▁Queen ▁K atherine ▁of ▁Arag on ' s ▁death . ▁ ▁Mad ge ▁was ▁the ▁" con c ub ine ' s " ▁closest ▁companion ▁in ▁waiting ▁ow ing ▁to ▁her ▁famil ial ▁t ies , ▁yet ▁would ▁be ▁dismiss ed ▁at ▁the ▁end . ▁▁ ▁However , ▁more ▁recent ▁research ▁has ▁suggested ▁that ▁it ▁was ▁Margaret ' s ▁sister ▁Mary ▁who ▁was