Career
Jeffreys was organist to Charles I at Oxford in 1643. From about 1648 till his death he held the post of steward to the Hattons of Kirby, Northamptonshire. Many of Jeffreys"s letters are preserved in the Hatton-Finch correspondence.
They cover a period of nearly forty years.
From 1648 Jeffreys resided at Little Weldon. He died before 12 July 1685.
Jeffreys"s son, Christopher Jeffreys (d 1693) was also a musician. He was elected as a king"s scholar of Westminster School to Christ Church, Oxford, in 1659, proceeded Bachelor of Arts in 1663 and Master of Arts in 1666.
Christopher died in 1693.
A sister was privately married in 1669 to Henry Goode, rector of Weldon in 1684.