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

Achtenberg, Helena Elizabeth (b:1892-1893)(d:)
. . . . .Martin, Robert Louis (b:1918)(d:)[with: Martin, Otto Louis]
. . . . .Martin, Kenneth Lyle (b:1925)(d:)[with: Martin, Otto Louis]
. . . . .Martin, Ralph Gerald (b:1928)(d:)[with: Martin, Otto Louis]