Please answer the following question: Information: - England and Wales is a legal jurisdiction covering England and Wales, two of the four countries of the United Kingdom, which form the constitutional successor to the former Kingdom of England and follow a single legal system, known as English law. - Wales is a country that is part of the United Kingdom and the island of Great Britain. It is bordered by England to the east, the Irish Sea to the north and west, and the Bristol Channel to the south. It had a population in 2011 of 3,063,456 and has a total area of . Wales has over of coastline and is largely mountainous, with its higher peaks in the north and central areas, including Snowdon, its highest summit. The country lies within the north temperate zone and has a changeable, maritime climate. - Humphrey ( VI ) de Bohun ( c. 1249 -- 31 December 1298 ) , 3rd Earl of Hereford and 2nd Earl of Essex , was an English nobleman known primarily for his opposition to King Edward I over the Confirmatio Cartarum . He was also an active participant in the Welsh Wars and maintained for several years a private feud with the earl of Gloucester . His father , Humphrey ( V ) de Bohun , fought on the side of the rebellious barons in the Barons ' War . When Humphrey ( V ) predeceased his father , Humphrey ( VI ) became heir to his grandfather , Humphrey ( IV ) . At Humphrey ( IV ) 's death in 1275 , Humphrey ( VI ) inherited the earldoms of Hereford and Essex . He also inherited major possessions in the Welsh Marches from his mother , Eleanor de Braose . Bohun 's spent most of his early career reconquering Marcher lands captured by Llywelyn ap Gruffudd during the Welsh war in England . This was finally accomplished through Edward I 's war in Wales in 1277 . Hereford also fought in Wales in 1282 -- 83 and 1294 -- 95 . At the same time he also had private feuds with other Marcher lords , and his conflict with Gilbert de Clare , Earl of Gloucester , eventually ended with the personal intervention of King Edward himself . Hereford 's final years were marked by the opposition he and Roger Bigod , Earl of Norfolk , mounted against the military and fiscal policy of Edward I. The conflict escalated to a point where civil war threatened , but was resolved when the war effort turned towards Scotland . The king signed the Confirmatio Cartarum -- a confirmation of Magna Carta -- and Bohun and Bigod agreed to serve on the Falkirk Campaign . Bohun died in 1298 , and was succeeded by his son , Humphrey de Bohun , 4th Earl of Hereford . - The Welsh Marches is an imprecisely defined area along and around the border between England and Wales in the United Kingdom. The precise meaning of the term has varied at different periods. After reading the paragraphs above, we are interested in knowing the entity with which 'humphrey de bohun' exhibits the relationship of 'country of citizenship'. Find the answer from the choices below. Choices: - england - kingdom of england - united kingdom - wales
A:
kingdom of england