The peerage of England. 3 vols. [in 4. Sig. N6,7 of vol. 1, 3B1 of vol. 2 ...> Par Arthur Collins:
"... Warine de Vernon, fourth Baron of Shipbroke, living temp. Hen. III. whose eldest son, Richard de Vernon, in 37 Hen. III. had a grant of the custody of the castle and manor of the Pecke, and dying before his father, left issue, four sons; whereof William, the third, was Chief Justice of Chester, of whom presently; and Warine, the eldest, married Auda, third daughter, and one of the co-heirs of William Malbank, Baron of Wich-Malbank, now Namptwich, in the county of Chester (descended from William Malbank, Baron of Wich-Malbank, in 20 William.I.) with whom he acquired a great number of manors in that county, and was father of Warine, ..."
This source says that it is Vernon-105 (Warine) who is Baron of Shipbroke and not his son, Vernon-35 (Richard).