Noun
Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554)
Source: WordNetBefore his execution in 1553 by Queen Mary for attempting to place Lady Jane Grey on the throne, Dudley had built the new stable block and widened the tiltyard to its current form. Source: Internet
He was wary of allowing his Catholic elder half-sister Mary to succeed, and therefore drew up a will designating Lady Jane Grey as his heiress. Source: Internet
Lady Jane Grey was briefly Queen of England in 1553. Source: Internet