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On 19 December he was gazetted lieutenant and captain in the 1st Regiment of Footguards ( now the Grenadier Guards ) , obtained the rank of Major on 1 January 1805 , embarked with the 1st brigade of guards for Sicily in 1806 , and returned to England in September , 1807 .
 1st Regiment of Footguards, Grenadier Guards, 1st, Sicily
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
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Answer:
 1st Regiment of Footguards, Grenadier Guards, 1st, Sicily