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

Henchen, Frieda (b:1892-1893)(alive: 1930)
. . . . .Martens, Donald (b:1923)(d:)[with: Martens, John F]
. . . . .Martens, Charlotte (b:1924)(d:)[with: Martens, John F]
. . . . .Martens, Isabel (b:1926)(d:)[with: Martens, John F]