John de Arderne (c1300-1349)

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Sir John de Arderne, Knight was born circa 1300 in Cheshire West and Chester, England, United Kingdom to John Arderne of Aldford (c1266-1308) and Margery verch Gruffydd (1261-1314) and died 1349 Elford, England, United Kingdom (Cheshire) of unspecified causes. He married Alice de Venables (c1294-1328) in England, United Kingdom.

Siblings

Offspring of John Arderne of Aldford (c1266-1308) and Margery verch Gruffydd (1261-1314)
Name	Birth	Death	Joined with
Margery de Arderne (1292-1318)
Maud de Arderne (c1297-)
John de Arderne (c1300-1349)	1300 Cheshire West and Chester, England, United Kingdom	1349 Elford, England, United Kingdom (Cheshire)	Alice de Venables (c1294-1328) Ellen de Wastenys (1318-)
Agnes de Arderne (c1304-)

Offspring of John de Arderne and Alice de Venables (c1294-1328)^¢
Name	Birth	Death	Joined with
John de Arderne (c1315-)
Giles de Arderne (c1316-)
Cecily de Arderne (c1321-)
Peter de Arderne (c1323-1379)	1323 Aldford Alvanley, West Cheshire and Chester, England, United Kingdom (Cheshire)	1379 Aldford Alvanley, England, United Kingdom (Cheshire)	Cecily de Bredbury (c1327-1387)
Elizabeth De Arderne (c1375-)
Margaret de Arderne (c1324-)
Agnes de Arderne (c1330-)

Offspring of John de Arderne and Ellen de Wastenys (1318-)^¢
Name	Birth	Death	Joined with
Katherine de Arderne (1327-)

‡ General

His mother's paternal line ancestry allegedly goes through several Kings of Powys and Vortigern, King of the Britons (c380-c459 and beyond Eudos ab Euddolen (c5-c54).<new notew> His wife's maternal line goes for about ten generations to Aeliz de Langetot (1074-1126) in Oxfordshire.
https://www.geni.com/people/Sir-John-de-Arderne-Knight/6000000000232615633 and linked pages

¢ Children

Elizabeth's birth year is absurd; her page's manager has been asked to fix whatever is needed. Agnes is also a little suspect; a similar message has been sent. The book mentioned below says Alice gave Sir John only John, Peter, and Margaret.

¢² Children 2

Geni cites a free Google e-book (East Cheshire: Past and Present: Or, A History of the Hundred of ..., Volume 1 By John Parsons Earwaker) that says Sir John had another wife Joan de Stokeport (no issue) and that the first of Ellena's children, Thomas, Walkelyn, were born while John was married to Joan, then after marriage Katherine, Matilda, and Isabella.
More study is desirable. Geni's notes are extensive, citing a dozen or more archive.org URLS and many other URLs, including detailed criticisms of other genealogies.