Nielsen Hayden genealogy
Ancestors of Joan de Mortimer
1291 - ┌── Robert de Mortimer (of Woodham, Essex, England - ??)
┌── Robert de Mortimer (of Richard's Castle, Herefordshire, England - Bef 3 Jul 1219)
│ (m. Bef Jun 1211)
┌── Hugh de Mortimer (Abt 1219 of Richard's Castle, Herefordshire, England - 18 Nov 1274)
│ │ ┌── Hugh de Say (of Richard's Castle, Herefordshire, England - Between 1195 and 1196) =>
│ └── Margaret de Say (of Richard's Castle, Herefordshire, England - Bef 29 Sep 1242)
│ (m. Bef Jun 1211)
│ └── Mabel Marmion ( - Aft 1199) =>
│
┌── Robert de Mortimer (Abt 1252 of Richard's Castle, Herefordshire, England -
│ 7 Apr 1287 bur.Worcester Cathedral, Worcestershire, England)(m. Bef 1273)
│ 7 Apr 1287 bur.Worcester Cathedral, Worcestershire, England)(m. Bef 1273)
┌── Hugh de Mortimer (Abt 1275 of Richard's Castle, Herefordshire, England - Bef 5 Aug 1304)(m. 1290)
│ │
│ │ ┌── Alan la Zouche (of North Molton, Devon, England - 1190) =>
│ │ ┌── Roger la Zouche (Abt 1175 of Black Torrington, Devon, England - Bef 14 May 1238)
│ │ │ └── Alice de Belmeis (of Tong, Shropshire, England - Aft 1190) =>
│ │ │
│ │ ┌── William la Zouche (of King's Nympton, Devon, England - Bef 3 Feb 1272)
│ │ │ (m. Between 1242 and 1243)
│ │ │ │
│ │ │ │ ┌── Henry Biset (of Kidderminster, Worcestershire, England - 1208) =>
│ │ │ └── Margaret Biset (of Kidderminster, Worcestershire, England - Aft 15 Aug 1232)
│ │ │ └── (Unknown first wife of Henry Biset) (Abt 1160 - ??)
│ │ │
│ └── Joyce la Zouche ( - Bef 13 Mar 1290)(m. Bef 1273)
│ │
│ │ ┌── William de Howbridge (of Howbridge in Witham, Essex, England - Bef May 1238)
│ └── Maud de Howbridge (of Howbridge, Essex, England - ??)(m. Between 1242 and 1243)
│ │
│ │ ┌── Robert Picot (of Quy, Cambridgeshire, England - ??)
│ └── Agnes Picot
│
Joan de Mortimer (chr.24 Nov 1291 Caerphilly Castle, Glamorgan, Wales - ??)
└── Maud ( - Bef 15 Feb 1308)(m. 1290)