Both Eneas Munson and Eneas Munson Jr - who is listed as a Revolutionary War Surgeon - can be found at DAR.org. User submitted ancestral files with ancestors and descendants are on familysearch. Should give you a good start.
From DAR.org
MUNSON, ENEAS SR DAR: Ancestor #: A083002
Service: CONNECTICUT Rank: PATRIOTIC SERVICE
Birth: 6-13-1734 NEW HAVEN CONNECTICUT
Death: 6-16-1826 NEW HAVEN CONNECTICUT
Service Description: 1) REP TO GEN ASSEMBLY FROM NEW HAVEN
Spouse 1) SUSANNAH HOWELL 2) SARAH S. PERIT
MUNSON, ENEAS JR Ancestor #: A083003
Service: CONNECTICUT Rank: PHYSICIAN OR SURGEON
Birth: 9-2-1763 NEW HAVEN CONNECTICUT
Death: 8-22-1852 NEW HAVEN CONNECTICUT
Service Description: 1) ASSISTANT SURGEON, COL SWIFT
Spouse: MARY SHEPHERD
User submitted Ancestral File at: https://familysearch.org/pal:/MM9.2.1/M71F-RP1