| Place name (English): | Hertford Castle |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | building |
| Is in the area of: | Hertford |
| Note: |
| 1 | Joan of England (5 July 1321-14 August 1362), parents: Edward II and Isabelle de France |
| 2 | Katherine of Lancaster (1372/73-2 June 1418), parents: John of Gaunt and Constanza de Castilla |