Nielsen Hayden genealogy
Ancestors of John de St. Pierre
1298 - 1354 (56 years) ┌── Urian de St. Pierre (1220 - Between 1290 and 1300 Cheshire, England)
┌── John de St. Pierre (1246 - 1290)
│ │ ┌── William de Malpas =>
│ │ ┌── David de Malpas
│ │ │ └── Beatrix de Mohaut ( - Aft 1245 Cheshire, England) =>
│ │ │
│ └── Idonea de Malpas ( - Bef 1295 Malpas, Cheshire, England)
│ │
│ │ ┌── Owain Cyfeiliog ap Gruffudd ap Maredudd ap Bleddyn ap Cynfyn (Abt 1130 -
│ │ │ 1197 Monastery of Strata Marcella, Welshpool, Montgomeryshire, Wales) =>
│ │ │ 1197 Monastery of Strata Marcella, Welshpool, Montgomeryshire, Wales) =>
│ └── Constance ferch Owain
│ └── Gwenllian ferch Owain =>
│
┌── Urian de St. Pierre (1280 - 1311)
│ │
│ │ ┌── Hugh de Dutton (of Dutton, Runcorn, Cheshire, England - ??) =>
│ │ ┌── Hugh de Dutton (of Dutton, Runcorn, Cheshire, England - ??)
│ │ │ └── Isabel de Massey (of Dunham Massey, Bucklow, Cheshire, England - ??) =>
│ │ │
│ │ ┌── Thomas de Dutton (of Dutton, Runcorn, Cheshire, England - Aft 1272)
│ │ │ │
│ │ │ │ ┌── Thomas Despenser (of Loughborough, Yorkshire, England - Abt 1207) =>
│ │ │ └── Muriel le Despenser
│ │ │ └── Rohese
│ │ │
│ └── Katherine Dutton ( - Aft 1292)
│ │
│ │ ┌── Robert de Standon (of Standon, Staffordshire, England - Between 1204 and 1208) =>
│ │ ┌── Vivian de Standon (of Standon, Staffordshire, England - Aft 1249)
│ │ │ └── Philippa Stoke =>
│ │ │
│ └── Philippe de Standon (of Standon, Staffordshire, England - Aft 1294)
│ └── Rohese
│
John de St. Pierre (1298 - 1354)
└── Isolda de Grey