Josephus Franciscus Mohr, sometimes spelled Josef (11 December 1792 – 4 December 1848) was an Austrian Roman Catholic priest and writer, who wrote the words to the Christmas carol "Silent Night." Early life and education. Mohr was born in Salzburg on 11 December 1792, to an unmarried embroiderer, Anna Schoiberin, and Franz Mohr, a mercenary soldier and deserter, who abandoned Joseph's mother before the birth.
https://en.wikipedia.org/wiki/Joseph_Mohr