Children of Unknown and A. Billerbeck are:
| || i.||Joseph Billerbeck was born ABT 1828 in Prussia, and died BEF AUG 1918. He married Sarah A. Unknown.
She was born ABT 1836 in New York.
| || ii.||Henry J. Billerbeck was born 11 JAN 1832 in Germany, and died 18 APR 1928 in Osmond, Nebraska. He married Wilhelmina Cosman.
She was born 20 OCT 1837 in Germany, and died 16 JAN 1899 in Osmond, Nebraska.
|1.|| iii.||John Billerbeck was born 13 NOV 1835 in Prussia, and died 14 MAY 1899 in Freeport, Stephenson County, Illinois. He married Peterkedina Van Deest, daughter of Wilhelm Peters Van Deest and Antje Ter Heide.
She was born 24 NOV 1839 in Ihrenerfeld, Leer, Ostfriesland, Germany.
He married Wilhelmina Reineke 15 MAY 1864 in Freeport, Stephenson County, Illinois, daughter of Sylvester Reineke and Charlotte Evers.
She was born 26 DEC 1842 in Germany, and died 27 AUG 1918 in Freeport, Stephenson County, Illinois.
| || iv.||Frederich Billerbeck was born in Germany.|
| || v.||Anton Billerbeck died BEF AUG 1918.|