When copying data from this family tree, please include a reference to the origin: John Layton, "Royal House of Layton of Stuart and Rohan", database, Genealogy Online (https://www.genealogieonline.nl/royal-house-of-layton-of-stuart-and-rohan/P5386.php : accessed June 13, 2024), "Mrs. William De Umfreville (1441-????)".
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Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
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