| Name | William De Plumpton | |
| Born | Abt 1266 | Of, Plumpton, Yorkshire, England |
| Gender | Male | |
| AFN | 9SMV-8V | |
| Person ID | I13139 | Smoky Mountain Ancestral Quest |
| Last Modified | 12 Jan 2001 | |
| Father | Robert De Plumpton, b. Abt 1240, Of, Plumpton, Yorkshire, England | |
| Mother | Isabella De Westwick, b. Abt 1242, Of, Grassington, Yorkshire, England | |
| Married | Abt 1265 | Of, Grassington, Yorkshire, England |
| Family ID | F4723 | Group Sheet |
| Family | Alice Byaufiz, b. Abt 1268 | |
| Family ID | F4724 | Group Sheet |