Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom
(c) Cicely gave to the church of Rochester a window to the altar of St. Peter, etc., and, with consent of her sons William and Stephen, confirmed a rent of 12d. given by her father Wimar. She was living in 1198, when assessed to the tallage of the vill of Milton (next Sittingbourne) 40 marks; Stephen her son, 5 marks; William his brother, 10 marks.
The cited information was sourced from Book published by Sutton Publishing Ltd in 2000 (Ref: Page: IX:753 note (c)) The author/originator was G. E Cokayne.