Jacob Dyckman, Schoharie & Columbia Counties, NY c 1810

I am researching the ancestry of Jacob and Hannah Dyckman who emigrated to Schoharie County, NY circa 1810.They had several children including Martin, Michael, Peter R., and Eliza.Michael was my husband's ggf.They came from Columbia County but I haven't been able to connect them with any ancestors.Any info would be greatly appreciated!