 Roger Mortimer, 3rd Baron Mortimer of Wigmore, 1st Earl of March 25 April 128729 November 1330, aive murume wechiEngland uye ishe ane simba weMarcher uyo akawana nzvimbo zhinji muWelsh Marches neIreland zvichitevera kuroora kwake kwakanaka kumudyi wenhaka akapfuma Joan de Geneville, 2nd Baroness Geneville. Muna November 1316, akagadzwa kuva Ishe Lieutenant weIreland. Akaiswa mutorongo muTower of London muna 1322 nokuti akanga atungamirira madzishe eMarcher mukupandukira Mambo Edward II mune yakazozivikanwa seHondo yeDespenser. Gare gare akatizira kuFrance, uko akabatanidzwa namambokadzi waEdward Isabella, uyo angangodaro akatora somukadzi wake. Pashure pokunge iye naIsabella vatungamirira kupamba kwakabudirira nokupandukira, Edward akabviswa pachigaro; Mortimer anonzi akaronga kuurayiwa kwake paBerkeley Castle. Kwemakore matatu, Mortimer akanga ari mutongi wechokwadi weEngland asati adzingwa pachigaro nomwanakomana mukuru waEdward, Edward III. Achipomerwa kuti akanga atora simba roumambo uye mamwe mhosva, Mortimer akaurayiwa nokuturikwa paTyburn. 