Nielsen Hayden genealogy
Robert ap Trystan Holland
Generation: 1
Generation: 2
Generation: 3
Generation: 4
1. Robert ap Trystan Holland Family/Spouse: Margred ferch Alan Norris. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Alice ferch Robert Holland 
(1.Robert1)Family/Spouse: Cynwrig ap Gronwy ap Cynwrig ab Iorwerth. [Group Sheet] [Family Chart]
Children:
- 3. Dafydd Llwyd was born in of Bwlch y fen, Anglesey, Wales.
- 3. Dafydd Llwyd
Generation: 3
3. Dafydd Llwyd (2.Alice2, 1.Robert1) was born in of Bwlch y fen, Anglesey, Wales. Family/Spouse: Angharad ferch Gynffydd ap Tydyr. [Group Sheet] [Family Chart]
Children:
- 4. Dafydd Fychan ap Dafydd Llwyd ap Cynwrig was born in of Trefeilir in Malltraeth, Anglesey, Wales.
- 4. Dafydd Fychan ap Dafydd Llwyd ap Cynwrig
Generation: 4
4. Dafydd Fychan ap Dafydd Llwyd ap Cynwrig (3.Dafydd3, 2.Alice2, 1.Robert1) was born in of Trefeilir in Malltraeth, Anglesey, Wales. Family/Spouse: Nest ferch Ieuan ap Gruffudd. Nest (daughter of Ieuan ap Gruffudd ap Hywel and Efa ferch Gruffudd ap Dafydd Goch ap Dafydd) was born in of Eifionydd, Caernarvonshire, Wales. [Group Sheet] [Family Chart]
Children:
- 5. Margred ferch Dafydd Vychan was born in of Trefeilir in Malltraeth, Anglesey, Wales.
- 5. Margred ferch Dafydd Vychan