This man managed to flip the allegiance of the Holy Roman Emperor Sigismund in the Treaty of Canterbury.
This man controversially refused to allow several women and children to pass through his army after they had been ejected from a nearby city, so they died of starvation en masse in a nearby ditch. After his youngest brother was wounded in the groin, this man made sure he was taken away safely, losing a piece of his helm to an axe-blow in the process. This man managed to flip the allegiance of the Holy Roman Emperor Sigismund in the Treaty of Canterbury. This man was granted a "double-subsidy" to finance his best-known campaign, during which he besieged (*) Harfleur and ordered the slaughter of several thousand prisoners at a later battle where the only setback he faced was a raid on his lightly-protected baggage train. This man's brother, the Duke of Clarence, took over when he left France, soon after marrying Catherine of Valois and being recognized as heir-apparent to the French throne in the Treaty of Troyes. On Saint Crispin's Day, this man's longbows wreaked havoc on French knights. For 10 points, name this English king who won the Battle of Agincourt
This man controversially refused to allow several women and children to pass through his army after they had been ejected from a nearby city, so they died of starvation en masse in a nearby ditch.
Henry V [prompt on Henry]