Nielsen Hayden genealogy
Ancestors of Robert de Pierrepont
- 1334 ┌── Henry de Pierrepont (of Hurstpierpoint, Sussex, England - Bef 1291)
Robert de Pierrepont ( - 1334)
│ ┌── Michael de Manvers (of Holme, Nottinghamshire, England - Bef 27 Oct 1255)
└── Annora de Manvers (1247 of Holme, Nottinghamshire, England - 1314)