 Complete the following phrase:  William Bonville, 1st Baron Bonville 12 or 31 August 1392  18 February 1461, was an English nobleman and an important, powerful landowner in south-west England during the Late Middle Ages. Bonvilles father died before Bonville reached adulthood. As a result, he grew up in the household of his grandfather and namesake, who was a prominent member of the Devon gentry. Both Bonvilles father and grandfather had been successful in politics and land acquisition, and when Bonville came of age, he gained control of a large estate. He augmented this further by a series of lawsuits against his stepfather, Richard Stucley. Bonville undertook royal service, which then meant fighting in France in the later years of the Hundred Years War. In 1415, he joined the English invasion of France in the retinue of Thomas, Duke of Clarence, Henry Vs brother, and fought in the 