Baron
Kind(eren):
The name of Tancarville does not appear until the early twelfth century, first shown in a charter in 1103 for Raoul's son, Earl William de Tancarville.
• Histoire du château et des sires de Tancarville
Not much is really known about Geraldus, other than he was Baron towards the end of the 10th century.
Sources
1.↑ Colonial England, 1066-1215, by J. C. Holt, p. 228
• WASHBURN FAMILY FOUNDATIONS in Normandy, England and America, by Mabel Thacher Rosemary Washburn
• The Battle Abbey Roll with Some Accounts of the Norman Lineages, by Duchess of Cleveland, publ. 1889 by John Murray, London, England.
• Histoire du château et des sires de Tancarville" by Achille Deville, N. Périaux, 1834 Histoire de Tancarville
• Chester Southworth Washburn & Family
http://www.wikitree.com