Nielsen Hayden genealogy
Ancestors of John de Willoughby
1304 - 1349 (45 years) ┌── William de Willoughby (of Sloothby in Willoughby in the Marsh, Lincolnshire, England -
│ Between 1225 and 1227)
│ Between 1225 and 1227)
┌── Robert de Willoughby ( - Between 3 Feb 1257 and 21 Feb 1258)
│ │ ┌── William de Fulletby
│ └── Maud de Fulletby
│
┌── William de Willoughby ( - Between Sep 1290 and 29 Mar 1300)(m. Between 1250 and 1260)
┌── Robert de Willoughby (Between 1250 and 1260 - Bef 25 Mar 1317)(m. Bef 1304)
│ │
│ │ ┌── Henry Beke (of Eresby, Lincolnshire, England - ??)
│ │ ┌── Walter Beke (of Eresby, Lincolnshire, England - Aft 1236)(m. 1222)
│ │ ┌── John Beke (Bef 1230 of Eresby, Lincolnshire, England - Bef 10 Mar 1304)
│ │ │ └── Eve de Grey (m. 1222)
│ │ │
│ └── Alice Beke ( - Bef May 1311)(m. Between 1250 and 1260)
│
John de Willoughby (6 Jan 1304 - 13 Jun 1349 bur.Spilsby, Lincolnshire, England)
│
│ ┌── Oliver I Deincourt (Abt 1161 Blankney, Sleaford, Lincolnshire, England - Bef 1202) =>
│ ┌── Oliver II Deincourt
│ │ └── Amabel
│ │
│ ┌── John Deincourt (of Blankney, Sleaford, Lincolnshire, England - Bef 14 Oct 1257)(m. Aft 1244)
│ │ └── Nichole
│ │
│ ┌── Edmund Deincourt (of Blankney, Sleaford, Lincolnshire, England - 6 Jan 1327)
│ │ │
│ │ │ ┌── Robert fitz Maldred (Abt 1170 of Raby, Durham, England -
│ │ │ │ Between 25 Jun 1242 and 26 May 1248) =>
│ │ │ │ Between 25 Jun 1242 and 26 May 1248) =>
│ │ │ ┌── Geoffrey de Neville (of Raby, Durham, England - Bef Sep 1242)
│ │ │ │ └── Isabel de Neville ( - May 1254) =>
│ │ │ │
│ │ └── Agnes de Neville (of Raby, Durham, England - Bef 20 Jul 1293)(m. Aft 1244)
│ │ └── Margaret
│ │
└── Margaret Deincourt ( - Bef 18 Oct 1333)(m. Bef 1304)