Hello,
Agnes Strachota is the mother-in-law of my grand aunt; William Armbrust is indeed her husband. William's son Robert married my grand aunt.

I see that subsequent posts have provided you with much additional information. Please feel free to browse my family tree (Schiller Forest) for the following lineage of Agnes, whose ancestors are from Pulice, Czechoslovakia (listed in ancestor order from her father:)
Peter Alios 1874-1920
John or Johann 1840-1890
Johann 1812-1879
Michal (no birth or death info)
Georg 1750-1801
Adam 1720-1797
Jirzikh 1700-1769