Chart 1     [† means all children believed found, ‡ means death is computed at 112 years]

Krueger, Augusta Amalia (b:1866)(d:1954)
. . . . .Martens, Helena (b:1900-1901)(d:)[with: Martens, William Carl]
. . . . .Martens, Julius Albert (b:1907)(d:1976)[with: Martens, William Carl]
. . . . .Martens, Elvin E (b:1908)(d:1940)[with: Martens, William Carl]
. . . . . . . . . .Martens, Kenneth J (b:1939)(d:)[with: Squire, Nina Lucille]