Family: John de Balliol, Lord of Barnard and Galloway / Devorguilla of Galloway (F4518)
m. 1233Alan of Galloway, Lord of Galloway ( -1234) 
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Margaret of Huntingdon (1194-1233)
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| Christian of Galloway ( -1246) |
| Devorguilla of Galloway (1218-1290)
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| Hugh de Balliol, Lord of Bywell and Banard (1237-1271) |
| Alan de Balliol ( -1271) |
 | John I, King of Scotland (1250-1315)  |
| Cecily de Balliol ( -1273) |
| Ada de Balliol ( -1283) |