 Complete the following phrase:  Three of William Ross children fought in the last period of the Hundred Years War. John, his heir, was born in 1397 and was legally a minor when Ros died. The Earl of Dorset, the kings cousin, received custody of the Ros estates. Before he inherited, John travelled to France with the new king in 1415 and fought at the Battle of Agincourt at the age of seventeen or eighteen. He died in 1421 at the Battle of Baugé with the kings brother, Thomas, Duke of Clarence and Sir Gilbert V de Umfraville. William Ross second son Thomas was only fourteen at Johns death, and fought with Thomas, Earl of Salisbury, at the siege of Orléans in 1428; he died after a skirmish outside Paris two years later. Thomas heir also named Thomas inherited the lordship as 9th baron and played an important role in the Wars of the Roses fighting for the Lancastrian king, Henry VI; he was beheaded after his defeat by the Yorkists at the 