John Bertrand Casteix III Obituary

The family of John Bertrand Casteix III of Baton Rouge, Louisiana announces his passing on September 23, 2026. John Bertrand, born on June 1, 1938, is remembered by family, friends, and others who shared time and connection. You can send your sympathy in the guestbook provided and share it with the family.

He was predeceased by: his parents, John Bertrand Casteix II and Mabel Louise Lewarton Casteix; his former wife Judy; and his sister Mabel Louise Casteix Shade. He is survived by: his wife Eleanor; his daughters, Jennifer Casteix (George Jenson) and Joelle Casteix (Michael Winter); his grandson Nicholas Casteix Winter; his stepchildren, Mandy Nesom (Nance), Jeff Gremillion (Phyllis) and Robert Gremillion (Brandi); and his nieces and nephews, Judy Fehringer, Jane Shade, Rick Shade and Michael Shade.

In lieu of flowers, the family asks that donations be made in John's memory to Zero Abuse Project.