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Person Page 315
William de Seton, 1st Lord Seton
b. circa 1348, d. before March 1410
Birth
William de Seton, 1st Lord Seton, was born circa 1348.
Parents
| Father | Alan de Wynton, of Seton (b. circa 1291, d. circa 1348) |
| Mother | Margaret de Seton, Heiress of Seton (b. circa 1329) |
Family life
William de Seton, 1st Lord Seton, and Janet Fleming were married.
Children with Janet Fleming (b. circa 1351, d. 1430)
| Son | John de Seton, 2nd Lord Seton (b. January 1370, d. 1441) |
| Daughter | Janet de Seton (b. circa 1374) |
| Daughter | Marion de Seton (b. 1385, d. 1440) |
| Son | Alexander Seton, of Winton, Lord Gordon (b. circa 1390, d. 1440) |
Property
William de Seton, 1st Lord Seton, possessed granted a charter of the lands of Borde to Patrick Fleming on 14 May 1402 in Bord.1,2
Death
William de Seton, 1st Lord Seton, died before March 1410.
Citations
- [S28] Sir James Balfour Paul, The Scots Peerage: founded on Wood's edition of Sir Robert Douglas's Peerage of Scotland (Edinburgh: T and A Constable, 1911), Seton, William p571-3.
- [S58] Edinburgh, National Records of Scotland, "Online Catalogue," National Records of Scotland (https://catalogue.nrscotland.gov.uk/nrsonlinecatalogue: viewed 19 September 2025), RH 2166, 14 May 1402, William de Seton, Knight, in favour of Patrick Fleming, of Borde in the barony of Lenze.
| Last Edited | 26 April 2025 |