Nielsen Hayden genealogy
Ancestors of Robert de St. John
- Bef 1267 ┌── John de Port (of Basing, Hampshire, England - 1167) =>
┌── Adam de Port (of Halnaker, Sussex, England - Between 25 Jun 1213 and 28 Jul 1213)
│ └── Maud
│
┌── William de St. John (of Halnaker, Sussex, England - 1239)
│ │
│ │ ┌── Reynold de Orival
│ └── Mabel de Orival
│ └── Muriel de St. John =>
│
Robert de St. John (of Basing, Hampshire, England - Bef 25 Mar 1267)
└── Godhelde ( - Aft 1242)