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

Erdmann, Marianna (b:)(d:)
 . . . . .Pigtek, Catharina (b:1850)(d:)[with: Piatek, Bartholomaeus]
 . . . . .Pigtek, Martin (b:1852)(d:)[with: Piatek, Bartholomaeus]
 . . . . .Piatek, John Sr (b:1856)(d:1944)[with: Piatek, Bartholomaeus]†
 . . . . . . . . . .Piatek, John A Jr (b:1893)(d:1967)[with: Francikowski, Marianna (Mary)]†
 . . . . . . . . . .Piatek, Sylvester Marion (b:1896)(d:1964)[with: Francikowski, Marianna (Mary)]
 . . . . . . . . . . . . . . .Piatek, Cornelia V (Camille) (b:1925)(d:1988)[with: Ignowski, Anna]
 . . . . . . . . . . . . . . .Piatek, Theresa Arlene (b:1929-1930)(d:)[with: Ignowski, Anna]
 . . . . . . . . . .Piatek, Charles (b:1897-1898)(d:1915)[with: Francikowski, Marianna (Mary)]†
 . . . . . . . . . .Piatek, Edmund Bartholomew (b:1902)(d:1991)[with: Francikowski, Marianna (Mary)]
 . . . . . . . . . . . . . . .Piatek, Delphine L (b:1934)(d:)[with: Marcinek, Sophie H]
 . . . . . . . . . . . . . . .Piatek, Rosalie (b:1938)(d:)[with: Marcinek, Sophie H]
 . . . . . . . . . . . . . . .Piatek, Edmund R (b:1938)(d:)[with: Marcinek, Sophie H]
 . . . . . . . . . . . . . . .Piatek, Dennis C (b:1939)(d:)[with: Marcinek, Sophie H]