Jacob Robert Angell was the son of Robert J. Angell and Martha J. Tatum.
Robert J. Angell was born abt 1815 in Virginia. He was in Greene County, Alabama in 1840, Sumter County, Alabama in 1850, and Lauderdale County, Mississippi by 1861. Occupation: carpenter. He died before 1880. His first wife was Sarah and she died before 1868. He married Martha J. Tatum in Lauderdale County, Mississippi in 1868.

Abstract of Robert J. Angell's Confederate service:
Confederate service record:
Robert J. Angell, 14th Mississippi infantry,Capt. W. F. Crumpton's Company, Meridian Invincibles, Mississippi Vols., Co. H
Age 45 years
Mustered in 1 May 1861 at Meridian, Mississippi
Joined for duty and enrolled at Corinth, Mississippi, 29 May 1861, traveling to place of rendezvous 200 miles
30 Dec 1861: Present
16 Feb 1862: Captured at Donelson; sent to Camp Douglas, Illinois
2 Sept 1862: Sent to Vicksburg, Miss. for exchange; sick in this boat
23 Sept 1862: Absent, sick in hospital
1 Aug - 31 Oct 1862: Absent; now at Meridian
Nov - Dec 1862: Absent; was sent from camp at Clinton, Mississippi, Oct 8, to the sick hospital at Meridian, Miss.; there now
Jan - Feb 1863: Absent; at Meridian hospital

Children with Sarah:
Henry, Mary Jane, William J., George, Alexander, Susan, and Martha Sarah.

Children with Martha Tatum:
Lula, Jacob Robert, and Ida.

After Robert Angell's death, his widow Martha J. Tatum Angell married Benjamin Franklin Massey in 1895 Attala County, Mississippi.

I am only connected to this family by marriage so this is all I have about him. Hope this helps you.