Isabella Sibbald Peerage person ID=109555 (b. 1418) Parents Sir John Sibbald Children Lady Janet Douglas Lady Elizabeth Douglas Lady Elizabeth Douglas Archibald Douglas, 5th Earl of Angus Margaret Douglas Elizabeth Carmichael Peter Carmichael of Dron Lady Anne Douglas James Carmichael, 2nd of Balmedie Partners Sir John Carmichael Sir Robert Douglas of Lochleven George Douglas, 4th Earl of Angus