Nielsen Hayden genealogy
Descendants of Ailaric
- Aft 1086
Ailaric
(of Silkstone, Yorkshire, England - Aft 1086)
   └─ Swain fitz Alric (Bef 1066 of Silkstone, Yorkshire, England - Bef 1130)
    (Unknown) de Vesci
       └─ Adam fitz Swain (of Appleby, Westmorland, England - Abt 1159)
        Maud
           │ + Adam de Montbegon (of Hornsby, Lancashire, England - Bef 1172)
           │ + John de Malherbe ( - 1181)
            + Alexander de Crevequer (of Redbourne, Glanford Brigg, Lincolnshire, England - Abt 1165)
            + William de Neville ( - Bef 1213)(m. Bef 1166)