Serlo de Perci, Abbot of Whitby

REF: Thirty One Generations :A Thousand Years of Percies and Pierces from 972-1948 (Colby, Barnard L. 1947), (p.8)

"For his part in the conquest of England, William (3) received large holdings in Hampshire, Lincolnshire, and Yorkshire. By the time of the domesday survey, the family held 86 lordships. in the North Riding. William refounded the Abbey of Whitby which the Danes had destroyed, and his Brother Serio became abbot."

https://fmg.ac/Projects/MedLands/ENGLISHNOBILITYMEDIEVAL3P-S.htm#Wi...

SERLON (-[1109]). The History of the foundation of Whitby Monastery records that ”Hugo comes Cestrensis” granted “villam de Whytteby” to “Willielmus de Percy” who came to England in 1067 and founded the monastery with “Serloni fratri suo”[90]. A charter listing the property of Whitby Monastery records that ”Serlo de Perci frater…Willielmi de Perci” became a monk at Whitby and later succeeded as abbot[91]. “Willelmus de Perci” donated property to the monks of Whitby “et Serloni priori fratri meo”, for the souls of “…Emma de Port uxore mea et Alano de Perci filio meo”, by charter dated to [1090/96], witnessed by “Emma de Port uxor mea, Alanus, Walterus et Willielmus filii mei, Ernaldus de Perci…”[92].