

Here is what Stirnet says on the subject:
William Boteler of Wemme, 2nd Lord (b 08.09.1298, d 12.1361)
m. Margaret FitzAlan (dau of Richard FitzAlan, 7th Earl of Arundel)
(1) We are following TCP (Boteler of Wem) and BE1883 in showing this William as married only once, to Margaret FitzAlan. Visitation shows the same but, as it shows William as son of the Ralph who married Maude Pantulf, thereby missing out 2 generations, it loses some credibility. Visitation shows this William as father of another William (m. Ella Handslagh or Hansacre) who had 2 sons: William who married Johanna Sudeley and Ralph, who married _ Hanlow, father of the heiress Elizabeth.
(2) BE1883 (Boteler) identifies the following William's wife as Joane Sudeley, dau of John, Lord Sudeley, but does not report having a son by her, only his dau/heiress Elizabeth. BE1883 (Sudeley) identifies Joan's husband as "William Boteler, of Wemme", showing them as having a son Thomas who inherited Sudeley Castle. TCP (Boteler of Wem) identifies (the following) William's wife merely as "Elizabeth" and confirms that they dspm.
(3) It appears that some sites identify Joan Sudeley as second wife of this William (2nd Lord), possibly in an attempt to explain why the barony of Wemme did not pass to Thomas, son of the William who married Joane Sudeley. Joan's husband is described in TCP (Sudeley) as "William le Botiler (Boteler), knight" which refers by note to Dugdale's 'Baronage' (vol i) where this William is shown as having had 2 sons both called William, the younger married to Joan Sudeley. We are suspicious about this and provisionally continue to show this 2nd William and his descendants on Sudeley1.
Son of William II, 1st Baron Boteler of Wemme and Ankeret, daughter of Griffin.
2nd Baron Boteler of Wemme married Margaret, daughter of Richard FitzAlan, Earl of Arundel. He died in 1361 and was succeeded by his son, William, 3rd Baron Boteler of Wemme.
It was the THIRD Baron who married Joane, elder sister and co-heir of John, Lord Sudley.
He was only married to Margaret FitzAlan de Arundel.
See Stirnet who also does not think that Joane de Sudeley was married to this Baron Boteler of Wemme.
I am reattaching Joane to him, but believe that when we access more scholarly sources, we'll find that this is not supported by evidence.
1295 |
1295
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Wemme, Shropshire, England (United Kingdom)
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1296 |
September 8, 1296
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Wem and Oversley, Shropshire, England (United Kingdom)
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1358 |
October 10, 1358
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Tyrley, Hales, Staffordshire, England (United Kingdom)
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1361 |
December 1361
Age 65
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Wem and Oversley,Shropshire,England
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1933 |
September 11, 1933
Age 65
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October 20, 1933
Age 65
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1949 |
September 29, 1949
Age 65
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???? |