Possibly
Foster (as BRUCE) pleb. Corpus Christi Coll., matric. 28 March, 1655; B.A. 10 March, 1658-9.
See Philip Henry's 'Diaries and Letters' (1882), p. 94, for August 1661: 'Mr Bruce, after great professions, and high expressions to the contrary, I heare is reordayned'.