Note: After 1310 birth based on Richardson recording her parents m. as such.[1]
She died before 1316 based on her not being mentioned in her father's 1316 will. This also rules out a 1326 marriage (profile had been attached as spouse of Sir John de Clinton, 2nd Baron Clinton, married 1326 in England). See this G2G discussion for sources. The discussion also surmises that the John Clinton named by Douglas Richardson as spouse of Isabel, daughter of Guy & Alice, was not the titled John Clinton represented in WikiTree by Clinton-218; he has been detached as her husband. ~ Noland-165 13:08, 28 April 2016 (EDT)Douglas Richardson does not have much description/bio for Isabel. However, she is mentioned in the bio for her father:
Sir Guy de Beauchamp, 10th Earl of Warwick, Sheriff of Worcestershire was born between 1271 and 1275 at of Elmley, Worcestershire, England; Age 23 to 27 in 1298; 30 in 1301.2,3 He married Isabel de Clare, daughter of Sir Gilbert de Clare, 9th Earl of Clare, 7th Earl of Hertford, 3rd Earl of Gloucester and Alice de Lusignan, between 4 March 1291 and 11 May 1297; Latter date is Papal Dispensation to stay married, they being related in the 4th degree of kindred. No issue.15,16,2,4,8,17,9 Sir Guy de Beauchamp, 10th Earl of Warwick, Sheriff of Worcestershire and Isabel de Clare were divorced after 1302.18,2,3,8 Sir Guy de Beauchamp, 10th Earl of Warwick, Sheriff of Worcestershire married Alice de Tony, daughter of Sir Ralph VII de Tony, Lord Flamstead, Helson, Carnanton and Mary de Brus, on 12 February 1310 or 13 February 1310; They had 2 sons (Sir Thomas, 11th Earl of Warwick; & John, Lord Beauchamp) and 5 daughters (Maud, wife of Geoffrey, 2nd Lord Say; Emme, wife of Roland de Oddingseles; Isabel, wife of John de Clinton[2][3][4][5][6][7][8]; Elizabeth, wife of Sir Thomas, 3rd Lord Astley; & Lucy, wife of Roger de Napton).2,3,6,7,8,11,12 Sir Guy de Beauchamp, 10th Earl of Warwick, Sheriff of Worcestershire left a will on 25 July 1315.3,8 He died on 12 August 1315 at Warwick Castle, Warwickshire, England; Buried at Bordesley Abbey.2,3,8
The sources which Richardson cites in support of a "John de Clinton" as Isabel's husband are:
Regardless of whether these sources are correct or not, there does not appear to be any evidence to support the suggestion that Isabel died very young. Her father, Guy de Beauchamp died rather unexpectedly with (all sources seem to agree) seven children under the age of 6 1/2 years. Three of the (youngest?) daughters were not listed in his will, however it is entirely plausible that he just had not yet added them. The issue of who Isabel's husband may have been needs further research, but the date of her death should be changed to 'unknown.' Stevens-17832 17:45, 13 January 2024 (UTC)
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B > Beauchamp | D > de Beauchamp > Isabel (Beauchamp) de Beauchamp
Categories: Estimated Birth Date
We've all seen situations where someone was not mentioned in their fathers will and were actually still living, along with Richardson's mention of her being m. to a John de Clinton, does suggest this "could" be the case here, but until someone can come up with some decent source confirming same, I think we have to leave her dying young, as shown.
https://books.google.co.uk/books?id=8JcbV309c5UC&pg=PA229&lpg#v=snippet&q=guy%20beauchamp%20isabel%20&f=false
You changed after 1307 to after 1309 and was curious as to your rationale for that.
The ref. sources of Richardson also appear to have been copied & pasted from the same site, so the validity of same is unknown.
I had quickly changed the b. date to aft. 1307, per your 1st comment and went to ck. her fathers profile, found an early 1309 m. date, came back, changed it to that and spotted your note in the Bio and now they don't jive.
Went through the changes and it appears the info in Bio was placed in response to an Unsourced badge I put on her last year.
I don't have access to Richardson, so cant verify any of it right away.
Dan
http://our-royal-titled-noble-and-commoner-ancestors.com/p353.htm#i10580
I added full citation for Lewis.