Nielsen Hayden genealogy
Descendants of Margaret de Patmer
Father: John de Patmer
Margaret de Patmer
Ralph Jocelyn (Abt 1345 Sawbridgeworth, Hertfordshire, England - Abt 1383)
   └─ Jeffrey Jocelyn (Abt 1380 Sawbridgeworth, Hertfordshire, England - 1425)
   
       ├─ Sir Ralph Jocelyn, Mayor of London (Sawbridgeworth, Hertfordshire, England - 25 Oct 1478)
       └─ Jeffrey Josselyn (Abt 1411 Sawbridgeworth, Hertfordshire, England - 2 Jan 1471)
       
           └─ John Josselyn (Abt 1445 Sawbridgeworth, Hertfordshire, England - Bef Aug 1524) =>
            + Anne (m. Abt 1473)