Nielsen Hayden genealogy
Descendants of William de Haya
- Aft 1357Father: Thomas de Haya (of Locherworth, East Lothian, Scotland - Bef 15 Oct 1335)
Mother: Lora de Cuningisburgh
William de Haya (of Locherworth, East Lothian, Scotland - Aft 3 Oct 1357)
   └─ Thomas de Haya (of Locherworth, East Lothian, Scotland - Between 1393 and 1 Dec 1399)
    Joanna Gifford ( - Aft 1399)
       └─ William Hay (of Locherworth, East Lothian, Scotland - Bef Aug 1421)
        Elizabeth
        :    + William Douglas (24 Feb 1398 Tantallon Castle, East Lothian, Scotland - Oct 1437)
        :    (m. Abt 1414 Yester Castle, Gifford, East Lothian, Scotland)
        :    (m. Abt 1414 Yester Castle, Gifford, East Lothian, Scotland)
        + Alicia Borthwick