Family events
- Married
- Abt 1297 — Alnwick, Northumberland, England, United Kingdom
- Born
- 25 Mar 1273 — Petworth, Sussex, England, United Kingdom
- Died
- 2 Oct 1314 — Fountains Abbey, Yorkshire, England, United Kingdom
- Buried
- Fountains Abbey, Yorkshire, England, United Kingdom
- Born
- Abt 1275 — Arundel, Sussex, England, United Kingdom
- Died
- Jul 1328
- Buried
- Beverley Minster, Beverley, Yorkshire, England, United Kingdom
Children
- William De Percy
1301 – 1355
- Henry De Percy
6 Feb 1301 – 25 Feb 1352