[1] He was first set to studie the lawes of the realme, and became an vtter barrester, or an apprentise of the law (as they terme him) and serued king Richard at Flint castell, when he was taken by Henrie duke of Lancaster, though other haue written that he serued this king Henrie the fourth, Tho. Wal [...]. before he came to at|teine the crowne, in roome of an esquier, and after, by reason of variance that rose betwixt him and the lord Reginald Greie of Ruthin, about the lands which he [page 519] claimed to be his by right of inheritance: when he saw that he might not preuaile, finding no such fauor in his sute as he looked for, he first made warre a|gainst the said lord Greie,The occasion that mooued him to rebell. wasting his lands and possessions with fire and sword, cruellie killing his seruants and tenants. The king aduertised of such re|bellious exploits,The king en|treth into wales, mea|ning to cha|stise ye rebels. enterprised by the said Owen, and his vnrulie complices, determined to chastise them, as disturbers of his peace, and so with an armie en|tered into Wales; but the Welshmen with their capteine withdrew into the mounteines of Snow|don, so to escape the reuenge, which the king meant towards them. The king therefore did much hurt in the countries with fire and sword, sleing diuerse that with weapon in hand came foorth to resist him, and so with a great bootie of beasts and cattell he returned.