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

(unknown), (unknown) (b:)(d:)
. . . . .Jacobson, Robert (b:1936)(d:2001)[with: Jacobson, Dorothy A (Dottie)]
. . . . . . . . . .<<No Children Found>>[with: Semingo, Maryann]