mother of Joan Douglas

Unknown mother of illegittimate daughter Joan Douglas,
as per source cited in her MP profile, & subsequent confirmation on the father's wiki.

William [de Dacre], 5th Baron Dacre

• born c. 1357
• mar. Joan Douglas, illegit. dau. of James [Douglas], 1st Earl of Douglas
  • children
    • 1. Thomas de Dacre, later 6th Baron Dacre
    • 1. Joan de Dacre (b. 1374; d. 1456), mar. c 1397 Thomas Musgrave, of Hartley Castle (b. 1378; d. 3 Jan 1447), and had issue
• died 20 Jul 1399 (bur. in Lanercost Priory)
• suc. by son

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He is also said to have been the father of another illegitimate daughter, Joan Douglas, who married William Dacre, 5th Baron Dacre.[25]

• https://en.wikipedia.org/wiki/William_Douglas,_1st_Earl_of_Douglas#...

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