Birth Source: Baptism
From Reliques of the Rives:
He matriculated at Hart Hall, Oxford, 7 November 1638, aged 15, as the "son of Timothy of Oxford (city) gent." (Foster), apparently the eldest son and named after Timothy Ryves' father. Hutchins is silent concerning him.
Oxford University Alumni, 1500-1886, 1500-1714, Volume III, p1296
Childs, James Rives. Reliques of the Rives, p51