Browse Items (1 total) Creator is exactly "Middlesex County (N.J.). Justice of the Peace" Browse All Browse by Tag Search Items Sort by: Title Creator Date Manumission of Ambo by slaveholder John Neilson, original certificate 1822-01-16 North Brunswick (N.J.). Overseer of the Poor Slaveholder John Neilson manumitted Ambo on January 16, 1822. This item is the original certificate of manumission signed by the Overseer of the Poor of the Township of North Brunswick (Abraham Van Arsdalen) and two Justices of the Peace for… Tags: Abraham Van Arsdalen, Ambo, Ambo and Mark Harris family, James Dunham, John Neilson (1745-1833), manumission, Neilson family, Nicholas Booraem Jr., William P. Deare