My late husband's great Grandmother was Christina Knapp.
She is the daughter of Daniel David Knapp, born in Griesheim/Hesse in 1820 This is near Darmstadt in Germany.
Daniel married Margaret Dahmer, born 1822. He died in 1897 in Normanby twp, Grey County South, Ontario.
They had four children: David b 1846 (wife is Dorothea)
Christine, born August 28, 1853 in Waterloo County, and died in Mt. Clemens, Michigan on Dec. 2,1886. She had married George Schueler on Feb 6, 1872 in Neustadt, Ontario. They had five children; Daniel H. Schueler (1872-1894), Katherine b 1876, Henry, 1878, Barbara (Teller), 1879-1969, and an infant daughter who is buried with her in Clinton Grove Cemetery on Cass Avenuem, Mt. Clemens, MI.
Andrew b 1861
Balthizer b 1866