U.S. Army
John Brenneis
October 22, 1840—February 21, 1924
SERG
Life Timeline
83 years1840
Born
October 22, 1840
US ARMY
Service Record
Civil War
Civil War
Conflict
SERG
1924
Passed Away
February 21, 1924
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SERG
War / Conflict
Civil War
Sourced from official cemetery data; last updated May 30, 2026.Learn more