Feel free to add more family members and to change spellings or variants.
LN:
DH:
DW:
DD:
DD/DD:
DS:
DD:
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Boys names:
Aled,
Aneurin,
Bleddyn,
Bryn,
Carwyn,
Celyn,
Dafydd,
Dai,
Dylan,
Elis,
Emlyn,
Emrys,
Evan,
Geraint,
Gethin,
Glyn,
Gruffudd,
Gwilym,
Harri,
Huw,
Iago,
Ianto,
Idris,
Iestyn,
Ieuan,
Ioan,
Iolo, Jac,
Llewellyn,
Macsen,
Merrion,
Meredith,
Morgan,
Owain,
Rhys,
Rhodri,
Taliesin,
Tristan
Girls names:
Alis, Alaw,
Angharad,
Anwen,
Arianrhod,
Bethan,
Betrys,
Bronwen,
Carys,
Cerys,
Ceridwen,
Catrin,
Deryn,
Eira,
Eirlys,
Eleri,
Elin,
Efa,
Ffion,
Gwendolen,
Gwyneth,
Haf,
Llinos,
Lowri,
Myfanwy,
Mali,
Megan,
Nia,
Nerys,
Olwen,
Rhian,
Rhiannon,
Seren,
Sian,
Tesni,
Tegwen,
Winifred
Last names:
Bevan,
Ellis, Evans,
Griffith,
Howell, Jones,
Llewellyn,
Morgan, Owens,
Parry, Powell,
Price,
Rees,
Thomas,
Vaughn, Williams