Nielsen Hayden genealogy
Ancestors of William de St. John
- 1239 ┌── Hugh de Port (of Basing, Hampshire, England - 1096)
┌── Henry de Port (of Basing, Hampshire, England - Abt 1153)
┌── 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
│
│ ┌── Roger de St. John