Arms of Arthur Wellesley, 1st Duke of Wellington.Blazon: Quarterly, I and IV gules, a cross argent, in each quarter five plates; II and III, Or, a lion rampant gules armed and langued Azure gorged with a coronet Or.  For augmentation, an inescutcheon charged with the crosses of St. George, St. Andrew, and St. Patrick combined, being the union badge of the United Kingdom.
Description from:  Brooke-Little, J.P., FSA (1978) [1950]       Boutell's Heraldry (Revised Edition ed.), London:  Frederick Warne LTD, pp. p. 127  ISBN:  0-7232-2096-4.   and
www.cracroftspeerage.co.uk. Wellington, Duke of (UK, 1814).
History of the Duke of Wellington's Regiment .
Königlich britisches Herzogsdiplom 1814 für Arthur Wellesley (* 1769, 1852)
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