Nielsen Hayden genealogy
William de Lanvallay
- Bef 1217(
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- 1 William de Lanvallay [1] d. Bef 3 Oct 1217
- Maud Pecche d. Bef 1233
- 2 Hawise de Lanvallay [1.1] d. 1249
- John de Burgh b. 1210 d. Bef 7 Jan 1275
- 3 John de Burgh [1.1.1] b. Abt 1235 d. Bef 3 Mar 1280
- Cecily de Balliol d. Bef 1273
- 4 Devorguille de Burgh [1.1.1.1] b. Between 1255 and 1266 d. 1284
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- 4 Hawise de Burgh [1.1.1.2] b. Abt 1258 d. Bef 24 Mar 1299
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- 4 Devorguille de Burgh [1.1.1.1]
- 3 John de Burgh [1.1.1]
- 2 Hawise de Lanvallay [1.1]