Kasper Weiss was born circa 1786 in Heimbach, Baden. He was the son of Josephus Weiss and Anna Barbara Weiss. He married Maria Anna Herr on 19 February 1816 in Heimbach. Maria was born circa 1794 in Heimbach to Lorenz Herr and Anastasia Trenkle.
Kasper died in 1838 and Maria died in 1862.
Kasper Weiss and Maria Anna Herr had 7 children, all born in Heimbach:
- Barbara Weiss (1816-1887) married Joseph Grasser (circa 1814 - ?).
- Maria Anna Weiss (1819-1864) married Plazidus Strub (circa 1821 - ?).
- Josephus Weiss (1821 - ?) married 1st Clara Rieder (1821 - ?) and married 2nd Rosalia Baer (1837 - ?).
- Joseph Anton Weiss (1822 - 1822).
- Konradus Weiss (1823 - 1860) married Rosina Moser (1822 - ?).
- Kresszentia Zaezillia Weiss (1825 - ?).
- Ursula Weiss (1830 - 1905) married Johannes VonBank (1827-1894).