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Male William Mostyn Click to view William Mostyn in the family tree

William was born in Mostyn, Flint, Wales.  William's father is Thomas Mostyn and his mother is Jane Griffith.  His paternal grandparents are Richard Ap Hywel and Catherine Salisbury; his maternal grandfather is William II+ Griffith and his maternal grandmother was Jane Stradling.  He is an only child.


William's family with Margaret Powell

They had a son named Thomas.


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