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Female Mary de Percy Click to view Mary de Percy in the family tree

Mary was born in 1530 in Alnwick, Northumberland, England.1   Mary's father was Earl Thomas de Percy and her mother was Eleanor Harbottle.  Her maternal grandparents were Sir Guiscard Harbottle and Jane Willoughby. She had a brother and a sister, named Henry and Johanna "Joan".  She died at the age of 68 in 1598 in Scriven, Knaresborough, West Riding, Yorkshire, England.1 

Family Details of Mary's family with Sir Francis Slingsby

1 {John L. DeLand's webpages}
Further source/citation:

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