Sir facts for kids
Sir is a title commonly given to men who have been knighted, but also as a way to address any male, especially if his name is not known. The equivalents for a woman are "Lady" and "madam".
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HH Maharaja Sree Padmanbhadasa Sree Chithira Thirunal Balarama Varma, Maharajah of Travancore, was the last surviving Knight Grand Commander of the Order of the Star of India
Sir Facts for Kids. Kiddle Encyclopedia.