Nielsen Hayden genealogy
Descendants of Maud
Maud
John de Port (of Basing, Hampshire, England - 1167)
   └─ Adam de Port (of Halnaker, Sussex, England - Between 25 Jun 1213 and 28 Jul 1213)
    Mabel de Orival
       └─ William de St. John (of Halnaker, Sussex, England - 1239)
        Godhelde ( - Aft 1242)
           └─ Robert de St. John (of Basing, Hampshire, England - Bef 25 Mar 1267) =>
            + Agnes de Cantelowe ( - Aft 1279)