Matrimoni

• Lady Margaret Douglas (?–1473)

Figli

Fratelli/Sorelle

• William Douglas (1390–1425)
• (1387–1456)
• Henry Douglas (?–1469)

Fratellastri/Sorellastre

• William Douglas, 2nd of Whittinghame (1439–1512)
• George Douglas (1390–1425)

Genitori

• James Douglas, 1st Lord Dalkeith (1372–1441)
• Lady Elizabeth Stewart (1372–1439)