About Peeter Ignatz / Ignatsi
According to Wikipedia (the article on his son Michael Ignatius) Ignatzi Peeter was a sacristan (Dt. Küster, Est. Köster, Fin. suntio) in Tartu.
Peeter Ignatz died in Tartu on 22 June 1731 at 54 years of age and and was buried on 25 June 1731 in Jaani Church, Tartu. (Source: Eesti vennastekoguduse kirjandusest XVIII sajandi keskel, http://www.kirjandusarhiiv.net/?p=198