However, his son Robert Radcliffe obtained a reversal of the attainder by Act of Parliament in 1509 and later served as Lord Lieutenant of Lancashire.

His grandson, the third earl, was summoned to the House of Lords through a writ of acceleration in 1553 in his father's junior title of Baron FitzWalter.

The claim to the barony of FitzWalter was passed on to the fifth earl's cousin and heir-general Henry Mildmay, de jure fifteenth baron.

His grandson Henry Mildmay, de jure sixteenth baron, successfully[citation needed] claimed the title in 1660.

However, his younger brother Benjamin Mildmay successfully petitioned for the peerage in 1667 and was summoned to the House of Lords as the seventeenth baron.

In 1730 his younger son, the nineteenth baron, was created Viscount Harwich, in the County of Essex, and Earl FitzWalter, in the Peerage of Great Britain.

However, on his death in 1756, the viscountcy and earldom became extinct while the barony of FitzWalter fell into abeyance between the daughters of Mary, only sister of the sixteenth and seventeenth barons.

[2] He was the son of John Bridges Plumptre and grandson of Eleanor, wife of Reverend Henry Western Plumptre and daughter of Sir Brook William Bridges, 4th Baronet, of Goodneston, a descendant of the aforementioned Mary, sister of the sixteenth and seventeenth barons.