See for example: Round, (1901) "The Origin of the Stewarts" in Studies in Peerag...

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See for example: Round, (1901) "The Origin of the Stewarts" in Studies in Peerage and Family History, p.122 Round, (1899) Calendar of documents preserved in France, illustrative of the history of Great Britain and Ireland. Vol.1. A.D. 918-1206, p.414 St Florent charter 1149

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