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

Chart 2     Grotz, Louise>>Schulz, Lydia>>Heitzman, Johann J (John)>>Heitzman, Helen Hedwig>>Moberg, Lynette Marie
Janssen, Johan Sigfrid (b:1980)(alive: 2025)
. . . . .Janssen, Malcolm Bowie (b:2016)(alive: 2016)[with: Pekarske, Nora Jean]†
. . . . .Janssen, Felix Mercury (b:2021)(alive: 2021)[with: Pekarske, Nora Jean]