Normanvillars was a Mennonite settlement on the border of the Sundgau (southern Alsace) and the Territory of Belfort in a forest area called by that name.
It is a vast plain that extends from the outlet of the valley of Thann in the west to the forest of the Hardt (beyond Mulhouse) in the east and from the Sundgau in the south to Ensisheim in the north.
His forte was critical investigation, but his intense application soon undermined his health, and he died at the early age of thirty-four at Lucelle Abbey in the Sundgau.