Portrait of Walter Devereux (1539?1576), First Earl of Essex, dated 1572, British, Oil on wood, 41 1/8 x 31 1/2 in. (104. 5 x 80 cm), Miscellaneous-Paintings & Portraits, British Painter, Walter Devereux succeeded his grandfather as Viscount Hereford and Lord Ferrers in 1558. He was joint custodian of Mary, Queen of Scots, in 1568. The following year, he helped put down the Northern Rising and was appointed marshal of the army at Leicester