Key: S=as a Spouse, C=as a Child, P=as a Parent
Names | 
Born | 
Died | 
| GAITHER | ||
| RutheP | ||
| GALLOWAY | ||
| Alan deS,C,P | born Abt 1186, <Galloway, Wigtownshire, Scotland> | died 1234, <Abbey of Dundrennan, Kirkcudbright, Kirkcudbrightshire, Scotland> | 
| GARCÉS | ||
| Blanca, of NavarreP | born Aft 1133 | died 12 Aug 1156, <Monastery of Santa Maria la Real of Najera> | 
| GARLENDE | ||
| Agnes deP | born Abt 1095, <Garlende>, France | |
| GASSAWAY | ||
| MaryS,C | born Abt 1758, Anne Arundel Co., Maryland, (United States) | |
| Nicholas, of South River (Colonel)P | ||
| Nicholas (Major)S,P | ||
| ThomasS,C,P | born 30 Nov 1736, Anne Arundel Co., Maryland, (United States) | died 2 Jul 1806, Allegany Co., Maryland, United States | 
| GENEVILLE | ||
| Alix deS | died 19 Apr 1336 | |
| Joan deS | born 2 Feb 1285 or 1286 | died 19 Oct 1356 | 
| Piers de, Lord of Walterstone-Saunton-Lacy (Sir)P | died 8 Jun 1292 | |
| GEOFFREY | ||
| John Fitz, Justiciar of IrelandP | born Abt 1215, Shere, Surrey, England | died 23 Nov 1258 | 
| GILBERT | ||
| MaryS | ||
| GILLIS | ||
| ElizabethS | ||
| GLENDOWER | ||
| OwenC,C,C | born Abt 1354 | |
| GODWIN | ||
| LydeS | born 1718 | died 1755 | 
| GOODWIN | ||
| ArtemiseS | ||
| ElizaS | ||
| Lenore ArtemiseS | ||
| WilliamS | ||
| GORDON | ||
| Alexander, 2nd Duke of Gordon, 5th Marquess of HuntlyS | ||
| Alexander, 4th Duke of GordonC | ||
| Cosmo-George, 3rd Duke of Gordon, 6th Marquess of HuntlyC | ||
| Lacy Georgiana ElizabethC | ||
| GORONWY | ||
| Dafydd apP | ||
| GOUGH | ||
| ThomasS | ||
| GOUSELL | ||
| JoanS,C | born Abt 1402, <Hoveringham, Nottinghamshire>, England | died Aft 1460 | 
| Robert (Sir)S,P | born Abt 1363, <Hoveringham, Nottinghamshire, England> | died Bef 1414, <Hoveringham, Nottinghamshire, England> | 
| GOUSHILL | ||
| ElizabethC | born Abt 1403 | |
| JoanS,C | born Abt 1402, <Hoveringham, Nottinghamshire>, England | died Aft 1460 | 
| JoyceC | ||
| Margaret deS | born 12 May 1294, <Whittingdon>, Shropshire, England | died 29 Jul 1349 | 
| Nicholas, of Hoveringham (Sir)P | born Abt 1316, <Hoveringham, Nottinghamshire, England> | died 18 Jan 1393, <Hoveringham, Nottinghamshire, England> | 
| RobertC | born Abt 1401 | died Abt 1415 | 
| Robert, of Hoveringham, Lord of Hault Hucknall Manor (Sir)S,P | born Abt 1363, <Hoveringham, Nottinghamshire, England> | died Bef 1414, <Hoveringham, Nottinghamshire, England> | 
| GOUSILLE | ||
| Ralph de, of Goxhill, LincolnshireP | born Abt 1264, <Goxhill, Lincolnshire>, England | |
| GRANDMESNIL | ||
| Hugh deP | born Abt 1092, <Hinckley>, Lancastershire, England | |
| Pernelle deS | born Abt 1134, <Leicestershire>, England | died 1 Apr 1212, Leicester, Leicestershire, England | 
| GREEN | ||
| Will E.S | ||
| GREENBERRY | ||
| CatherineP,P,P,P,P,P | ||
| GRENTEMAISNIL | ||
| Hugh deP | born Abt 1092, <Hinckley>, Lancastershire, England | |
| Petronella deS | born Abt 1134, <Leicestershire>, England | died 1 Apr 1212, Leicester, Leicestershire, England | 
| GRENTMESNIL | ||
| Hugh deP | born Abt 1092, <Hinckley>, Lancastershire, England | |
| Petronille deS | born Abt 1134, <Leicestershire>, England | died 1 Apr 1212, Leicester, Leicestershire, England | 
| GREY | ||
| < >, of Codnor (Lord)S | ||
| ElizabethS | ||
| GRIFFITH | ||
| AgnesS | born <Plas Newydd>, Wales | |
| AliceC | born Abt 1482, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | |
| Annes verchS | born <Plas Newydd>, Wales | |
| CatherineC | ||
| CatherineS | ||
| Charles (Captain)P | ||
| DorothyC | ||
| EdmundC | born Abt 1480 | |
| EdwardS,C | born 18 May 1511 | died 11 Mar 1540, Dublin, Leinster, Ireland | 
| EllenC | ||
| HenryS | born 14 Feb 1720, Queen Caroline Parish, Anne Arundel, Maryland, (United States) | died 28 Sep 1794, Sundown Farms, Montgomery Co., Maryland, United States | 
| JaneC | ||
| JanetC,C,C | born <Penrhyn, Llandegai, Caernarfonshire, > Wales | |
| Llewelin ap, Prince of North WalesS | born Abt 29 Sep 1252 | died 11 Dec 1282, Brecon, (Breconshire), Powys, (Wales) | 
| PiersC | bur. Westminster Abbey, London, Midlesex, England | |
| Rhys, of Penrhyn, High Sheriff for Caernarvon (Sir)C | died 30 Jul 1580 | |
| Ruth HammondS | born 27 Feb 1794, Frederick Co., Maryland, (United States) | died Bef 19 Sep 1854 | 
| SarahS,P,P | born 13 May 1718 | died 1 Sep 1794 | 
| SibellC,P,C,P,C,P,C,P | born Abt 1530, <Penrhyn, Llandegai, Caernarfonshire, > Wales | died Abt 1580 | 
| WilliamC | ||
| WilliamC | ||
| William, Lord of Penrhyn Castle, Chamberlain of North Wales (Sir)S,C,P | born Abt 1445, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died Abt 1539, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | 
| William, Lord of Penrhyn, Chamberlain of North Wales (Sir)S,C,P | born Abt 1480, Penrhyn, <Llandegai, > Caernarfonshire, Wales | died 1531 | 
| William, of Penrhyn, Chamberlain of North Wales (Sir)S,P | born Abt 1420, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died 1483, Austria-Hungary | 
| William, Hael (the Liberal) (Sir)S,C,P | born Abt 1445, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died Abt 1539, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | 
| GRIFFITH AP HOWEL | ||
| Lewis ap, Lord of YshuteC | ||
| GRIFFITH AP KUDDALL | ||
| Griffith Vychan apS,P | born Bef 1330 | died 1369 | 
| GRIFFITH FYCHAN | ||
| WilliamS,P | born Abt 1420, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died 1483, Austria-Hungary | 
| GRIFFITH VYCHAN | ||
| Lowrie verchS,C | born Abt 1367 | |
| GRIGS | ||
| RichardS | ||
| GRIMSTEAD | ||
| CharlotteS | ||
| GRONWY | ||
| David apP | ||
| GRUFFUDD | ||
| Jonet ferchP | born Tahlenbont [Talybont?] | |
| Owain Glyn Dwr ap, of Glyndyfrdwy and SycharthC | born Abt 1354 | |
| GRUFFUDD AP GWILYM | ||
| Gwilym ap, of PenrhynP | born Abt 1365, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died 1431, Austria-Hungary | 
| GRUFFUDD AP RHYS TEWDWR | ||
| Rhys ap, Justice of South WalesP | ||
| GRUFFYDD | ||
| Einion ap, of Cors y GedolP | ||
| ElizabethC | born Cir 1508, <Penrhyn, Caernarfonshire, > Wales | |
| Gwilym ap, Lord of PenrhynP | born Abt 1365, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died 1431, Austria-Hungary | 
| Owain apC | born Abt 1354 | |
| Pyers, of PenrhynC | bur. Westminster Abbey, London, Midlesex, England | |
| William, of Penrhyn, Chamberlain of North Wales (Sir)S,C,P | born Abt 1480, Penrhyn, <Llandegai, > Caernarfonshire, Wales | died 1531 | 
| William, of Penrhyn, Chamberlain of North Wales (Sir)S,C,P | born Abt 1445, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died Abt 1539, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | 
| GRUFFYDD AP LLEWELYN | ||
| Margaret verch, of IâlS | ||
| GRUFFYDD AP LLYWELYN MAWR | ||
| Llywelyn apS | born Abt 29 Sep 1252 | died 11 Dec 1282, Brecon, (Breconshire), Powys, (Wales) | 
| GRUFFYDD AP MADOG | ||
| Gruffydd Fychan II ap, of Rhuddallt, Baron of GlyndyfrdwyS,P | born Bef 1330 | died 1369 | 
| GRUFFYDD FYCHAN | ||
| Lowri ferchS,C,S,C | born Abt 1367 | |
| Tudor ap, Lord of GwyddelwernC,C | born Abt 1365 | died 15 May 1405, Pwll Melyn (Usk), (Monmouthshire), (Wales) | 
| GRUFFYDD HANMER | ||
| Angharad verch, of Hanmer, FlintshireS | born Abt 1380 | |
| GUDGEON | ||
| Mary DorseyC | ||
| WilliamS | ||
| GWILYM | ||
| William Fychan ap, of Penrhyn, 1st Chamberlain of North WalesS,P,S,P,S,P,S,P | born Abt 1420, Penrhyn Castle, Llandegai, (Bangor), Caernarfonshire, (Gwynedd), Wales | died 1483, Austria-Hungary | 
| GWINN | ||
| EdwardS | ||
| GWYN | ||
| Hugh ap, of Peniarth., High Sheriff of CarnaerfonshireS | born 1538 | died Aft 1611 | 
| JohnP | born Abt 1512, <Peniarth>, Caernarfon, Caernarfonshire , Wales | |
| GWYNN | ||
| HughS | born 1538 | died Aft 1611 | 
| SibylC | born betw 1566 and 1575, Peniarth, Caernarfon, Caernarfonshire, Wales | died Gadfa, Rhiwargor, Llanwyddn, Montgomeryshire, Wales |