public profile
Daughter of Richard ap Hywel, of Mostyn and Catherine Salusbury Sister of Sir Thomas Mostyn; Pirs Mostyn, MP; Huw Mostyn; Robert Mostyn and Nicolas Mostyn
See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173426981951 (January 5, 2022; Anne Brannen, curator)