From the Pension Record:
War of 1812
Soldier: Charles Brewster
Widow: Eunice B Brewster
Service: Pvt, Capn Peter A Brown's Co, Pa Mil
Enlisted: Aug 24 1814
Discharged: Jan 4 1815
Residence of Soldier: Blank
Residence of Widow: 1850, 1855, Clinto Co, Indiana
1878, Frankfort, Clinto Ci, Indiana
Maiden Name of Widow: Soldier's First Wife Annora
Eunice B Bonsall
Marriage of Soldier and Widow: Aug 3, 1824, Philadelph, Pa
Death of Soldier: Dec 11, 1850, Orange Co, NY
Death of Widow: Sept 2, 1889
Date
3 AUG 1824
Location
By Rev. Dr. Wiley to Charles Brewster
Her parents were John Bonsal and Sarah Brennan. Bonsals were from Derbyshire but Eunice Bonsal was born in Upper Darby, PA. (might be a link here with David's Robert Brewster?)
Source: Bonsall Family tree on Ancestry.com