U.S. Army
John O B Sewall
January 3, 1936—February 21, 2022
MAJ GEN
Life Timeline
86 years1936
Born
January 3, 1936
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
MAJ GEN
2022
Passed Away
February 21, 2022
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
MAJ GEN
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more