Nancy,
John and Sarah Yemm had the following children:
George b.Aug 26, 1855
William b. Oct 18, 1857
Sarah Ann b. Dec 5, 1860
Emanuel b. June 22, 1862
Jane b. Oct 9, 1864
John b. Sept 23, 1866

William was the only one who emigrated. The others all remained in the FOD area. John did come to the US to visit his brother William sometime between 1900 and 1910.

Dewey