Which Queen of England and Ireland who lived from 18 February 1516 - 17 November 1558 did Sir George Howard serve under?
Sir George Howard (courtier):  Howard held offices at court under four monarchs, Henry VIII, Edward VI, Mary I, and Elizabeth I, most notably the office of Master of the Armoury, and undertook several diplomatic missions. Mary I of England: Mary I (18 February 1516 – 17 November 1558) was the Queen of England and Ireland from July 1553 until her death.
Mary I