From Reliques of the Rives:
There was another family of Ryves in England which descended from John Ryves, of Barton Stacy, co. Hampshire, who apparently was originally of Dorset and may very probably have been a brother of Robert Ryves (ca. 1490-1551), of Dorset.
In the British Museum there is a pedigree of this family (Harleian Mss. vol. 581, 2 22, fol. 169) endorsed, "to Mr. Nicholas his man named Parny in Mr. Eveling's office in the chancery the whole descent of Rives of Dorset & Hampshire." To this pedigree I have made some additions from original and published sources of information.