Hij is getrouwd met Elizabeth Pettit.
Zij zijn getrouwd op 4 januari 1767 te Hempstead, St. Georges Church.
Kind(eren):
In John´s Will written 20 Feb 1819 and probated 22 Mar 1819 he bequeaths unto; My grandson John H. DeMott the son of my son John DeMott, both Prinicipal and interest fo the sale of my estate, to be paid to him when he arrives at the age of 21 yhears old. He also mentions son Samuel DeMott and daughter Mary Seaman wife of Nathaniel Seaman. The 1790 census shows John´s wife and children: 3 boys and 2 girls.
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