| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| William Garver | | | | | | | |
| Geata | Ját | | | | | | |
| Gello, Count of Blois 1st | | | | | | 928 | |
| Three generations | | | | | | | |
| Geoffrey I Grisegonelle of Anjou, Seneschal | | | | | | July 21, 987 | |
| Count of the Gatinais Geoffrey | | WFT Est. 879-922 | | WFT Est. 903-959 | | Aft. 987 | |
| Geoffroy I, Count of Gastinois | Ferreol, Geoffroy | Abt. 970 | Gastinois, France | Bef. 999 | France | 1000 | |
| Gerard de Lorraine, Duke of Lorraine | | | | | | March 6, 1069/70 | |
| Gerard of Auvergne, Count of Auvergne | | Abt. 795 | | | | June 25, 841 | |
| Gerard of Metz, Count of Metz | | | | | | | |
| Gerberga | | | | | | | |
| Gerberge, Princess of the Germans | | 913 | Nordhausen, Saxony, Prussia | January 29, 943/44 | | May 5, 984 | Reims, Marne, France |
| Gerold | | | | | | | |
| Gertrude | | | | | | | |
| Gertrude of Flanders | | Abt. 1064 | Flanders, Belgium | 1095 | | 1117 | |
| Gerverga of Gatinais | Gerberga | | | | | | |
| Geva | | | | | | | |
| Gewis | | | | | | | |
| Rohese Giffard | | | | | | | |
| Walter Giffard | | | | | | | |
| Gilbert of Brionne, Count of Brionne | | | | | | 1040 | |
| Gilbert of Chalon, Duke of Burgundy | | | | | | 956 | |
| Gilbert of Luxemburg, Count of Luxemburg | | | | | | 1059 | |
| Gilbert, Duke of Lorraine | | Abt. 890 | Rheims, Marne, France | January 29, 943/44 | | October 2, 939 | Andernach, Rhineland, Prussia |
| Andrew Gilman | | 1690 | | January 27, 1714/15 | | Abt. 1756 | Brentwood, New Hampshire |
| Benjamin Gilman | | | | | | | |
| Constantine Gilman | | | | | | | |
| Ezekiel Gilman | | | | | | | |
| Hannah Gilman | | Aft. 1685 | Exeter, New Hampshire | | Salisbury, Massachusetts | | |
| Israel Gilman | | February 14, 1707/08 | | | | Bef. 1748 | |
| Jeremiah Gilman | | | | | | May 6, 1709 | Indians' captivity |
| Jeremiah Gilman | | March 31, 1660 | Exeter, New Hampshire | July 30, 1685 | Exeter, New Hampshire | 1743 | Exeter, New Hampshire |
| John Gilman | | | | | | | |
| Joseph Gilman | | | | May 23, 1718 | | Bef. February 22, 1747/48 | |
| Simon Gilman | | | | | | March 23, 1749/50 | |
| Thomas Gilman | | Bef. 1723 | | | | | |
| A. B. Gilmore | | | | | | | |
| Robert Gilmore | | | | July 28, 1835 | | | |
| Gisela | | Abt. 819 | | Abt. 836 | | Abt. 874 | |
| Gisela de Bourgogne | | 1060 | Bourgogne, France | 1090 | | 1133 | |
| Abbess of Chelles Gisela | | | | | | | |
| Gisele of Schwaben | | | | | | | |
| Eystein Glumra, Jarl of the Uplanders | Eystein the Noisy | 788 | | | | | |
| Tangwystyl Goch | Llywarch, Tanglwy Verch | 1168 | Rhos, Wales | WFT Est. 1196-1228 | | WFT Est. 1197-1262 | |
| Godfrey I | Barbutus, the Bearded, A La Barbe | Abt. 1074 | Lorraine Inferie, France | Abt. 1099 | Belgium | January 25, 1139/40 | Jerusalem |
| Godfrey II, Duke of Brabant | | | | 1139 | | 1142 | |
| Godfrey III, Duke of Brabant | | 1142 | | Bef. 1155 | | August 10, 1190 | |
| Godfrey of Brionne & Eu | | | | | | Abt. 1015 | |
| Godfrey of Namur, Count of Namur | | WFT Est. 1067-1094 | Namur, France | WFT Est. 1112-1137 | | WFT Est. 1120-1178 | |
| Godiva | Godgifu | Abt. 1010 | | Abt. 1030 | | Bef. 1085 | |