For 10 points, give the common family name of these figures, including the "nine days queen," Lady Jane.
One man by this name wrote the first constitution for New Zealand, while a different person by this name served the longest consecutive stint as British foreign secretary, which included the start of World War I. Another succeeded the Duke of Wellington as prime minister and won the alliance of William IV during his campaign to pass the Great Reform Bill. Another was the daughter of the Duke of Suffolk who married Guildford Dudley and was named heir by Edward VI, but was executed by the government of Mary. For 10 points, give the common family name of these figures, including the "nine days queen," Lady Jane.
One man by this name wrote the first constitution for New Zealand, while a different person by this name served the longest consecutive stint as British foreign secretary, which included the start of World War I. Another succeeded the Duke of Wellington as prime minister and won the alliance of William IV during his campaign to pass the Great Reform Bill.
{Grey} [or {de Grey}]