The Evangelical Lutheran Church of Oberhain record Johann Heinrich'smarriage and his death:
"1787 -- Bachelor Johann Heinrich Neubeck, resident & weaver inUnterhain - oldest son of Meister Johann Heinrich Neubeck, resident,weaver and office of village mayor in Unterhain - on December 11married Maiden Catharina Unbehaun - only surviving legitimate daughterof deceased Johann Nicholas Unbehaun, formerly resident andMedicinhaendler ‎("pharmacologist")‎ in Unterhain."

"1806 -- Meister Johann Heinrich Neubeck, Junior, resident and weaverin Unterhain, died July 16 at 8 o'clock in the evening of consumption ‎(TB)‎.Honored July 18 in the afternoon with a sermon at burial. Age: 42 years 1week 3 days. Legat 8 gl."