d augh ter , ▁Margaret ▁, ▁then ▁seven ▁years ▁old , ▁was ▁married ▁to ▁Philip ▁I , ▁Duke ▁of ▁Burg und y , ▁grand son ▁and ▁he ir ▁of ▁Margaret ' s ▁sister . ▁They ▁were ▁child less ▁and , ▁upon ▁his ▁death ▁in ▁ 1 3 6 1 , ▁Margaret ▁inherited ▁Ar to is ▁and ▁Burg und y . ▁ ▁In ▁ 1 3 6 9 , ▁the ▁younger ▁Margaret ▁married ▁Philip ▁the ▁B old , ▁young est ▁son ▁of ▁King ▁John . ▁According ▁to ▁Gu iz ot , ▁whilst ▁Margaret ▁I ▁fav oured ▁the ▁marriage ▁of ▁her ▁grand d augh ter ▁to ▁Philip ▁the ▁B old , ▁the ▁girl ' s ▁father , ▁Louis ▁of ▁Fland ers , ▁and ▁the ▁F lem ish ▁communes , ▁prefer ring ▁England ▁to ▁France , ▁were ▁unw illing ▁to ▁ar range ▁the ▁marriage . ▁Re put edly , ▁Margaret , ▁v ex ed ▁at ▁the ▁ill ▁will ▁of ▁the ▁count ▁her ▁son , ▁had ▁one ▁day ▁said ▁to ▁him , ▁as ▁she ▁t ore ▁open ▁her ▁dress ▁before ▁his ▁eyes , ▁" Since ▁you ▁will ▁not ▁yield ▁to ▁your ▁mother ' s ▁wishes , ▁I ▁will ▁cut ▁off ▁these ▁bre asts ▁which ▁gave ▁su ck ▁to ▁you , ▁to ▁you ▁and ▁to ▁no ▁other , ▁and ▁will ▁throw ▁them ▁to ▁the ▁dogs ▁to ▁dev our ." ▁ ▁Louis , ▁persu aded , ▁agreed ▁to ▁the ▁marriage . ▁ ▁The ▁un rest ▁in ▁coast al ▁Low ▁Count ries ▁es cal ated ▁to ▁open ▁re bell ions