The four are: Henry VIII, Francis I, Charles V, and Suleiman the Magnificent; all born within a single decade.
2022
Daston, Lorraine
1989
Kluver, Billy and Julie Martin
1997
Lerner, Laurence
1937
Gill, Eric
2005
Bryson, Bill
1981
Hankin, Chery A edits
2003
Roach, Mary
1999
Cole, Tim
1992
Hunt, John Dixon edits
2015
Compton, Tania edits
1956
Cogley, John
2010