Nielsen Hayden genealogy
Ancestors of Robert de Ros
1172 - Bef 1226 (~ 56 years) ┌── Piers de Ros (of Roos, Holderness, Yorkshire, England - Bef 1130)(m. Bef 1121)
┌── Robert de Ros (of Helmsley, Yorkshire, England - 1162)(m. Bef 1145)
│ │ ┌── William Espec (of Old Warden, Bedfordshire, England - Aft 1130)
│ └── Adeline Espec ( - Bef 1157)(m. Bef 1121)
│
┌── Everard de Ros (Bef 1146 of Helmsley, Yorkshire, England - Bef 29 Sep 1183)
│ │
│ │ ┌── Piers de Valognes ( - Abt 1109)
│ │ ┌── Roger de Valognes ( - Abt 1141)
│ │ │ │
│ │ │ │ ┌── Hubert de Ryes (of Ryes, Bayeux, Calvados, Normandy, France - ??)
│ │ │ └── Aubrey de Rye
│ │ │
│ └── Sybil de Valognes ( - Aft 1212 bur.Nun Appleton Priory, Yorkshire, England)(m. Bef 1145)
│ │
│ │ ┌── Richard fitz Ranulf ( - Bef 1061) =>
│ │ ┌── John fitz Richard (Bef 1056 of Elsenham, Essex, England - Aft 1107)
│ └── Agnes fitz John ( - Aft 1184)
│
Robert de Ros (Between 1170 and 1172 Helmsley, Yorkshire, England -
Bef 23 Dec 1226 bur.Temple Church, London, England)
Bef 23 Dec 1226 bur.Temple Church, London, England)
│
│ ┌── William Trussebut
│ ┌── William de Trussebut (Abt 1130 of Wartre, Holderness, Yorkshire, England - Between 1175 and 1176)
└── Roese Trussebut (Abt 1151 - Bef 1187)
└── Albreda (Abt 1135 - 1205)