William Opdike (1755-1822) (alternate spelling Updike/ Opdyke / Obdyke) of Hunterdon County, N.J. was a Private in the New Jersey Continental Line. Private 3rd Battalion, 1st Establishment. Private, Captain Patterson’s company, 3rd Battalion, 2nd Establishment. Fought at Monmouth and Brandywine. Brother Robert wounded at Brandywine. Great-great grandsons of Louris Jansen Opdyck of Holland who arrived in Gravesend, Long Isaland, NY prior to 1653.