Alois married Apollonia Amtmann on 4 Apr 1797 in Birkenhördt, Pfalz, Bayern. Apollonia was born in 1773 in Gleiszellen-Gleishorbach, Pfalz; died in in Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Peter Westermann was born on 18 Feb 1798 in Birkenhördt, Pfalz; was christened on 18 Feb 1798 in Birkenhördt, Pfalz; died on 4 Jan 1808 in Birkenhördt, Pfalz.
2. Johannes Philipp Westermann was born on 13 Jan 1800 in Gehlmühle, Birkenhördt, Pfalz; was christened on 13 Jan 1800 in Birkenhördt, Pfalz; died on 16 Jan 1808 in Birkenhördt, Pfalz.
3. Alois Westermann was born on 12 Feb 1810 in Gehlmühle, Birkenhördt, Pfalz; was christened on 14 Feb 1810 in Birkenhördt, Pfalz; died on 12 Jul 1834 in Gehlmühle, Birkenhördt, Pfalz, Bayern.