"Henry Bolingbroke" ba kalma ba ce da za a iya samu a cikin ƙamus domin ita ce madaidaicin suna da ke nufin wani mutum mai tarihi. Henry Bolingbroke wani sarki ne na Ingila na tsakiya wanda ya yi sarauta a matsayin Sarki Henry IV daga 1399 zuwa 1413. An haife shi a shekara ta 1367 kuma ɗan John na Gaunt ne, ɗa na huɗu ga Sarki Edward III. An san Henry Bolingbroke saboda rawar da ya taka wajen hambarar da dan uwansa, Sarki Richard II, da kuma hawansa kan karagar mulki.