Dear Richard ~
As a Bardolf descendant, I have particular interest in your reconstructed pedigree of the Blodwell and Bardolf families, which two families you have proposed as being in the ancestry Sarah (Barfoot) Wiggin.
First things first. You're correct that the ancestral line you have proposed is sound down to Generation 4, which is headed by Sir John Bardolf, 3rd Lord Bardolf (1314-1363), and his wife, Elizabeth Damory.
The line breaks at that point, however. There is no evidence whatsoever that this couple had a son, Sir Edmund Bardolf, who married Katherine le Peletot, who you have placed as your Generation 5.
Sir Edmund Bardolf and his wife, Katherine, definitely existed. I've copied below what information I've collected regarding them.
As to Sir Edmund Barfolf's place in the Bardolf family tree, recently I came across a Common Pleas lawsuit dated 1330 which identifies Edmund Bardolf as the son of Thomas Bardolf. The plaintiff in this lawsuit was Agnes, widow of Thomas Bardolf, 2nd Lord Bardolf (died 1328), who was suing for her dower rights. The three defendants in this lawsuit are Thomas, John, and Edmund Bardolf, all of whom are specifically styled sons of Thomas Bardolf. John Bardolf named in the lawsuit was certainly Agnes' own son and heir born in 1314. I assume Thomas and Edmund were his brothers.
Here is a brief abstract of the 1330 Common Pleas lawsuit:
In 1330 Agnes, widow of Thomas Bardolf, sued Thomas son of Thomas Bardolf in the Court of Common Pleas regarding the third part of the manors of Greatham, Hampshire and Fillingham, Lincolnshire; she likewise sued John son of Thomas Bardolf and Elizabeth his wife regarding the third part of the manors of Plumpton, Sussex, and Strumpshaw and Scratby (in Ormesby St. Margaret), Norfolk, and Edmund son of Thomas Bardolf regarding the third part of the manor of Harthill, Yorkshire, all of which properties she claimed as dower.
Reference: Court of Common Pleas, CP40/283, image 4f (available at
http://aalt.law.uh.edu/AALT2/E3/CP40no283/cCP40no283fronts/IMG_0004.htm).
Given the above record, I would place Sir Edmund Bardolf as a newly identified brother (not son) of Sir John Bardolf, 3rd Lord Bardolf, who married Elizabeth Damory. This change in Sir Edmund's parentage obviously changes your proposed pedigree, but Sir Edmund still retains royal ancestry through his father, Sir Thomas Bardolf, 2nd Lord Bardolf.
For further particulars of the Bardolf family and their royal links, please see my book, Royal Ancestry (5 volume set) published in 2013.
Best always, Douglas Richardson, Salt Lake City, Utah
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10. RALPH LE BOTELER (or BOTILLER), Knt., of Bromham and Stagsden, Bedfordshire, and, in right of his wife, of Watton Woodhall (in Watton-at-Stone), Hertfordshire. He married before 9 Feb. 1347 (date of fine) KATHERINE LE PELETOT (or PELITOT, PELLITOTT, PELETOYT), daughter and heiress of Philip le Peletot, Knt., of Watton Woodhall (in Watton-at-Stone), Hertfordshire, Knight of the Shire for Hertfordshire. They had one son, Philip, Knt. In 1347 Richard de Ruthyn, Citizen of London, conveyed to Ralph, son of Ralph le Botiller, of Norbury, Knt., ten messuages, lands, and 100s. rent in Stagsden and Bromham, Bedfordshire. The same year Philip Pelitot conveyed to Ralph and Katherine his wife and their heirs the manor of Sele (in St. Andrew Hertford), Herefordshire. In 1349 Walter de Mauny, Knt., sued Ralph le Botiller and Adam atte Halle in the Court of Common Pleas in a Hertfordshire plea regarding a trespass [vi et armis]. His widow, Katherine, married (2nd) before 1376 (date of lawsuit) EDMUND BARDOLF, Knt., in right of his wife, of Watton Woodhall (in Watton-at-Stone), Hertfordshire, younger son of Thomas Bardolf, Knt., 2nd Lord Bardolf, of Wormegay, Cantley, Caistor, Fincham, North Runcton, Stow Bardolf, and Well, Norfolk, Colwick, Gedling, Shelford, and Stoke Bardolph, Nottinghamshire, Ruskington and Westborough, Lincolnshire, Barlings, Sussex, etc., by Agnes, said to be daughter of William de Grandison (or Graunson), Knt., 1st Lord Grandison [see BARDOLF 12 for his ancestry]. In 1376 Philip Botiller, of Bromham, Bedfordshire, sued Edmund and Katherine his wife in the Court of Common Pleas regarding waste in three houses, woods, gardens, etc. in Bromham, Bedfordshire. In 1377 Edmund Bardolf, Knt. sued Philip Boteler in the Court of Common Pleas regarding a debt of £20. The same year Philip Botiller, sued Edmund and Katherine his wife in the Court of Common Pleas regarding waste in Essex. Edmund presented to the church of Watton-at-Stone, Hertfordshire in 1366, 1375, 1377, 1384, and 1385.
References:
Clutterbuck, Hist. & Antiqs. of Hertford 2 (1821): 472–476 (Boteler ped.), 485. Chauncy, Hist. Antiqs. of Hertfordshire 2 (1826): 47–51. Waters, Chester of Chicheley 1 (1878): 138–139 (Boteler ped.), 155–158. Ormerod, Hist. of Chester 2 (1882): 728–729 (Boteler ped.). Andrews, Memorial Brasses in Hertfordshire Churches (1903): 147–149. Court of Common Pleas, CP40/359, image 9051d (available at
http://aalt.law.uh.edu/E3/CP40no359/bCP40no359mm1dtoEnd/IMG_9051.htm). Court of Common Pleas, CP40/463, image 50f (available at
http://aalt.law.uh.edu/AALT4/E3/CP40no463/aCP40no463fronts/IMG_0050.htm). Court of Common Pleas, CP40/466, image 121 (available at
http://aalt.law.uh.edu/AALT6/R2/CP40no466/466_0121.htm). Court of Common Pleas, CP40/466, image 144 (available at
http://aalt.law.uh.edu/AALT6/R2/CP40no466/466_0144.htm). National Archives, SC 8/156/7772 (available at
http://discovery.nationalarchives.gov.uk). National Archives, CP 25/1/5/59, #7; CP 25/1/89/82, #331 [see abstract of fines at
http://www.medievalgenealogy.org.uk/index.html].