Notes for Lehmann (Yehuda) Josef Blum: He had died before the requirement of 1809 to take a surname. Blum was adopted by his widow according to David Blum.
Children of Lehmann (Yehuda) Josef Blum and Babette (Beile) Geismar are:
+Hirsch Lukas Blum, b. 11 Feb 1795, Breisach, d. 21 Apr 1875, Breisach.