1900 Federal census - McHenry Co, ND:
Edward Biberdorf - age 40; b. Nov 1859 Russia; m. 20 years; imm. 1899;
naturalized PA; farmer; can't speak English; own home free
* Elinora - age 39; b. Jun 1860 Russia;
m. 20 years; 8 children (4 living); imm. 1899; parents b. Russia/Poland; in U.S.
1 year; cannot speak English
Ida - age 19; b. Oct 1880 Russia; imm. 1899
Rudolphina - age 15; b. Jun 1884 Russia; imm. 1899
Bernhard - age 3; b. Nov 1896 Russia; imm. 1899
Erick - age 1; b. Mar 1899 Russia; imm. 1899
1910 Federal census - McHenry Co, ND:
Gustav Rosenau - age 49; 2nd m - 5 years; b. Germany; imm 1890; speaks English;
owns farm free
* Elenora - age 49; 2nd m. - 5 years; b.
Poland; imm 1894; speaks German; cannot read or write
Erna - age 15; b. WI; speaks Eng
______ - age 5; b. ND; speaks Eng
Biberdorf, Bernard - age 13; b. Russia; speaks Eng
Erick - age 11; b. Russia; speaks Eng
Herman - age 8; b. ND; speaks Eng
1920 Federal census - McHenry Co, ND:
Gustav Rosenau - age 58
* Elenor - age 58
Wanda B - age 14
Biberdorf, Reinhardt - age 23; step-son
Biberdorf, Erick - age 20; step-son
Biberdorf, Herman - age 18; step-son
1930 Federal census - Mouse River, McHenry, ND:
Gustav Rosenau - age 68; b. Germany
* Elinora - age 68; b. Russia
Wanda - age 24; b. ND
