Henry van Slack

     Henry was born in 1798 in New York City, New York County, New York. Henry married Sophia Jeffery, daughter of John Matthew Jeffery Jr. and Eunice Travis, on 9 November 1831 in Oakville, Halton County, Ontario, Canada. Henry and Sophia had children: William [1832], Adeliza [1836] [m. 1858 James Bell Forsythe Chisholm], John [1838], James [1841] & Elizabeth [1846]. Henry departed this life between 1846 and 1860 in Ontario, Canada.