Alexander De Seton
- Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. Alexander De Seton (son of Seyer (Serlo) (Sir) De Seton and Margaret Cumyn); and died. Family/Spouse: Unknown. [Group Sheet] [Family Chart]
Children:- Alexander (Sir) De Seton died about 1350.
2. Seyer (Serlo) (Sir) De Seton (son of Alexander De Seton and Margaret De Berkeley); and died. Seyer + Margaret Cumyn. Margaret (daughter of William (Justiciar) Cummin) and died. [Group Sheet] [Family Chart]
3. Margaret Cumyn (daughter of William (Justiciar) Cummin); and died. Children:
- 1. Alexander De Seton and died.
Generation: 3
4. Alexander De Seton (son of Philip De Setun and Alice of Dunbar); died about 1247. Alexander + Margaret De Berkeley. Margaret (daughter of Walter (Sir) De Berkeley and Eva of Galloway) and died. [Group Sheet] [Family Chart]
5. Margaret De Berkeley (daughter of Walter (Sir) De Berkeley and Eva of Galloway); and died. Children:
- Bertram (Bartine) De Seton and died.
- 2. Seyer (Serlo) (Sir) De Seton and died.
- Christopher (Sir) De Seton died in 1269.
6. William (Justiciar) Cummin and died. Children:
- 3. Margaret Cumyn and died.
Generation: 4
8. Philip De Setun (son of Alexander De Seaton); and died. Philip + Alice of Dunbar. Alice (daughter of Waletheof (Patrick Earl of Dunbar) Dunbar and Aline) and died. [Group Sheet] [Family Chart]
9. Alice of Dunbar (daughter of Waletheof (Patrick Earl of Dunbar) Dunbar and Aline); and died. Children:
- 4. Alexander De Seton died about 1247.
- Thomas De Seton and died.
- Emma De Seton and died.
10. Walter (Sir) De Berkeley (son of John De Berkeley); and died. Walter + Eva of Galloway. Eva (daughter of Uchtred Lord of Galloway and (Gunnild) Gurnelda) and died. [Group Sheet] [Family Chart]
11. Eva of Galloway (daughter of Uchtred Lord of Galloway and (Gunnild) Gurnelda); and died. Children:
- 5. Margaret De Berkeley and died.