Education
Christ Church.
Christ Church.
From c.1649 until his death he was involved in the politics of his native Glamorgan, and of Gloucestershire. His father was a barrister of Lincoln"s Inn. In 1638 Evan married Margaret, daughter of Robert Bridges of Woodchester, who died in 1651.
Evan attended Cowbridge School until the age of 17, when in 1621 he went up to Christ Church, Oxford.
Seys was Recorder of Gloucester in 1649 and a Bencher of Lincoln"s Inn in 1652. This culminated in his becoming the Attorney General to Oliver Cromwell and serving as Member of Parliament for Glamorgan during the evanescent rule of Richard Cromwell in 1659.
In 1659 he was part of a broad coalition preparing the restoration of Charles World War II From 1661 to 1681 he was Member of Parliament for Gloucester.
Cavalier Parliament. Exclusion Bill Parliament. Habeas Corpus Parliament]
He went on to hold legal office in Wales under the Protectorate and was a member of the committee for governing Glamorgan.